Three capsules contain: Chromium (as chromium polynicotinate) 200 mcg • Red Yeast Rice 600 mg • Policosanol (from sugar cane) 20 mg • Phytosterol Complex (from soy, yielding total phytosterols 450 mg) 500 mg • Beta Sitosterol 230 mg • Campesterol 135 mg • Stigmasterol 82 mg • Brassicasterol 1.5 mg • sitostanol 1.5 mg • Coenzyme Q10 20 mg • Guggulipids 200 mg • Artichoke leaf extract 100 mg • Fish Oil (haddock and salmon), providing Eicosapentaenoic Acid (EPA) 180 mg. Other Ingredients: Rice Flour, Vegetable Cellulose, Vegetable Stearate.
Brand name products often contain multiple ingredients. To read detailed information about each ingredient, click on the link for the individual ingredient shown above.
Below is general information about the effectiveness of the known ingredients contained in the product CholestSure. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
INSUFFICIENT RELIABLE EVIDENCE to RATE
Below is general information about the safety of the known ingredients contained in the product CholestSure. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
LIKELY SAFE ...when used orally in amounts commonly found in foods. Artichoke has Generally Recognized As Safe status (GRAS) for use in foods in the US (4912).
POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts. Artichoke extract has been used with apparent safety at doses up to 3200 mg daily for up to 12 weeks (6282,15204,52235,91475,91478,100934). Artichoke leaf powder has been used with apparent safety at a dose of 1000 mg daily for up to 8 weeks (104133). Cynarin, a constituent in artichoke extract, has been used with apparent safety at daily doses of 750 mg daily for up to 3 months or 60 mg daily for up to 7 months (1423,1424,52222,52223,52236).
PREGNANCY AND LACTATION:
There is insufficient reliable information available about the safety of artichoke when used in medicinal amounts during pregnancy or lactation; avoid amounts greater than those found in foods.
LIKELY SAFE ...when used orally and appropriately. Beta-sitosterol has been safely used at a dose of 130 mg daily for up to 18 months or a dose of up to 21.1 grams daily for up to 3 months (5327,5328,5329,5330,5331,5332,5333,5334,5336,5337) (7198,10638). There is insufficient reliable information available about the safety of beta-sitosterol when used topically.
CHILDREN: LIKELY SAFE
when used orally and appropriately.
Beta-sitosterol has been safely used at a dose of 2-4 grams three times daily for up to 3 months (3889,5331,5332,5333,5334,35067).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally and appropriately in medicinal amounts, short-term. Chromium has been safely used in doses up to 1000 mcg daily for up to 6 months (1934,5039,5040,6858,6859,6860,6861,6862,6867,6868)(7135,7137,10309,13053,14325,14440,17224,90057,90061)(90063,94234,95095,95096,95097,98687); however, most of these studies have used chromium doses in a range of 150-600 mcg. The Food and Drug Administration (FDA) and Institute of Medicine (IOM) evaluations of the safety of chromium suggest that it is safe when used in doses of 200 mcg daily for up to 6 months (13241,13242).
POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, long-term. Chromium has been safely used in a small number of studies at doses of 200-1000 mcg daily for up to 2 years (7060,7135,42618,42628,42666,110605,110607,110609). However, the Food and Drug Administration (FDA) and Institute of Medicine (IOM) evaluations of the safety of chromium suggest that it is safe when used in doses of 200 mcg daily for up to 6 months (13241,13242).
CHILDREN: LIKELY SAFE
when used orally and appropriately in amounts not exceeding the daily adequate intake (AI) levels by age: 0-6 months, 0.
2 mcg; 7-12 months, 5.5 mcg; 1-3 years, 11 mcg; 4-8 years, 15 mcg; males 9-13 years, 25 mcg; males 14-18 years, 35 mcg; females 9-13 years, 21 mcg; females 14-18 years, 24 mcg (7135). POSSIBLY SAFE...when used orally and appropriately in amounts exceeding AI levels. Chromium 400 mcg daily has been used safely for up to 6 weeks (42680).
PREGNANCY: LIKELY SAFE
when used orally and appropriately in amounts not exceeding adequate intake (AI) levels.
The AI for pregnancy is 28 mcg daily for those 14-18 years of age and 30 mcg daily for those 19-50 years of age (7135).
PREGNANCY: POSSIBLY SAFE
when used orally in amounts exceeding the adequate intake (AI) levels.
There is some evidence that patients with gestational diabetes can safely use chromium in doses of 4-8 mcg/kg (1953); however, patients should not take chromium supplements during pregnancy without medical supervision.
LACTATION: LIKELY SAFE
when used orally and appropriately in amounts not exceeding adequate intake (AI) levels.
The AI for lactation is 44 mcg daily for those 14-18 years of age and 45 mcg daily for those 19-50 years of age (7135). Chromium supplements do not seem to increase normal chromium concentration in human breast milk (1937). There is insufficient reliable information available about the safety of chromium when used in higher amounts while breast-feeding.
LIKELY SAFE ...when used orally and appropriately. Coenzyme Q10 has been used safely in studies lasting up to 5 years (2134,6037,6038,6407,8163,8938,8939,8940,15395,17413,17716,96538)(109391). ...when used topically on the gums (2107,2108,8916,8917,8918).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately.
Coenzyme Q10 in doses of 1-10 mg/kg/day has been used safely for up to 9 months under medical supervision (12199,13223,15256,44005,107449).
PREGNANCY: POSSIBLY SAFE
when used orally and appropriately.
Coenzyme Q10 100 mg twice daily has been used with apparent safety during pregnancy, starting at 20 weeks gestation until term (17201).
LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally and appropriately. Doses of 3 grams per day and less can be safely used by most people. Fish oil has Generally Recognized As Safe (GRAS) status in the US (1313,1024,2299,2300,2301,2302,2315,2317,4912,5702)(5705,5706,6394,6399,7368,7369,7380,12921,12922,13011)(13766,14382,16733,17408,17991,17992,66454,89325,89336,89346)(89351,89352,89373,89374,101543,103492,103499,103502,104546,105220)(107180,107181,113220). Although higher doses of fish oil, such as 6 grams daily for up to 1 year, have been used safely (89344), there are some safety concerns about using high doses of fish oil. Some older research suggests that doses greater than 3 grams per day can inhibit blood coagulation and potentially increase bleeding risk (8671,8679,8696,66258,21223,21224). However, the most rigorous research to date shows that short-term doses of fish oil 10 grams daily and long-term doses of 1.5 grams daily for up to 52 weeks do not increase the risk of bleeding or affect coagulation parameters in chronically ill and vulnerable patients (97180). Still, doses greater than 3 grams per day might suppress immune response (1313,7384). Patients should only take high-dose fish oil while under medical supervision.
POSSIBLY SAFE ...when parenteral nutrition supplemented with a lipid emulsion enriched in fish oil is used, short-term. Fish oil or omega-3 fatty acid lipid emulsions, administered intravenously for 1-4 weeks, have been safely used (1004,66042,66421,89323,103497).
POSSIBLY UNSAFE ...when fish oil from dietary sources is consumed in large amounts. Fatty fish can contain significant amounts of toxins such as mercury, polychlorinated biphenyls (PCBs), dioxin, and dioxin-related compounds. Very frequent consumption of contaminated fish can cause adverse effects such as tremor, numbness and tingling, difficulty concentrating, and vision problems. Avoid frequent consumption of swordfish, king mackerel, tilefish (also called golden bass or golden snapper), and farm-raised salmon (12964,12965,12966). There is insufficient reliable information available about the safety of fish oil when used topically.
CHILDREN: POSSIBLY SAFE
when used orally and appropriately (5708,5711,65732,66070).
In adolescents 9 years of age and older, fish oil providing doses of up to 2250 mg omega-3 fatty acids daily have been used with apparent safety for up to 12 weeks (101543). Fish oil used in enteral feeds for up to 9 months has been shown to be safe in infants (13745). Young children should limit dietary consumption to no more than two ounces of fish per week (12967,12968). ...when given as part of parenteral nutrition in infants receiving long-term parenteral nutrition (96118,110340,110346,110352).
CHILDREN: POSSIBLY UNSAFE
when fish oil from dietary sources are consumed in large amounts.
Fatty fish can contain significant amounts of toxins such as mercury, polychlorinated biphenyls (PCBs), dioxin, and dioxin-related compounds. Frequent consumption of contaminated fish can cause brain damage, mental retardation, blindness, and seizures in children. Lower levels can cause more subtle problems such as learning disabilities (12964). Young children should limit consumption to no more than 2 ounces per week of fish (12967,12968).
PREGNANCY AND LACTATION: LIKELY SAFE
when used orally and appropriately.
Intake of fish oil during pregnancy does not appear to adversely affect the fetus or nursing infant (1026,1027,1042,8706,12969,12970,12971,12972,12973,14397)(15015,15162,101540,110338,113217,114181). One large clinical trial shows that intake of fish oil from the 24th week of gestation increases the odds of the child having overweight and having metabolic syndrome measurements at age 10 when compared with placebo (114181). More research is needed to confirm these findings. The adequate intake level of omega-3 fatty acids during pregnancy is 1.4 grams daily; the adequate intake level during lactation is 1.3 grams daily (89377). If possible, people who are trying to become pregnant, as well as those who are pregnant or lactating, should avoid swordfish, king mackerel, and tilefish (also called golden bass or golden snapper), as these may contain high levels of methylmercury. Pregnant individuals should also limit consumption of other fatty fish to 12 ounces, or about 3-4 servings, per week.
PREGNANCY AND LACTATION: POSSIBLY UNSAFE
when fish oil from dietary sources are consumed in large amounts.
Fatty fish can contain significant amounts of toxins such as mercury, polychlorinated biphenyls (PCBs), dioxin, and dioxin-related compounds. If possible, people who are trying to become pregnant, as well as those who are pregnant or lactating, should avoid swordfish, king mackerel, and tilefish (also called golden bass or golden snapper), as these may contain high levels of methylmercury. Pregnant individuals should also limit consumption of other fatty fish to 12 ounces, or about 3-4 servings, per week (12967,12968).
POSSIBLY SAFE ...when the prepared gum resin is used orally and appropriately. It has been used with apparent safety in clinical trials for up to 24 weeks (3267,3268,10371). There is insufficient reliable information available about the safety of guggul when used topically.
PREGNANCY: LIKELY UNSAFE
when used orally; avoid using.
Guggul gum resin appears to stimulate menstrual flow and the uterus (12).
LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally and appropriately. Plant sterols have been safely used in studies lasting up to one year (35022,35037,90724,90726,90730,90732,90733,90734,90739,90742). Due to the unknown safety of plant sterol oxidation products, and the known production of these oxidation products during the heating of foods (106092), there is insufficient reliable information available about the safety of heat-treated foods containing added plant sterols.
CHILDREN: LIKELY SAFE
when used orally and appropriately.
Plant sterols have been safely used in children in studies lasting for up to 6 months (35037,90722,90723,90726,90731,35106).
PREGNANCY AND LACTATION: Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally and appropriately in medicinal amounts. Policosanol seems to be safe when used in doses of 5-80 mg daily for up to 3 years (2927,2928,2929,2930,2931,2943,2944,12166,14298,14336)(14404,14411,65383,89438,89454,89451,100178,103832).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. Red yeast rice 1.2 grams daily has been used with apparent safety in clinical studies for up to 4.5 years (512,2624,6988,6995,6996,17089,18110,70508,70513) (70520,70525,70530,95664,95666). However, red yeast rice products can contain an HMG-CoA reductase inhibitor identical to lovastatin, and can cause the same side effects as this drug. It is recommended that people taking red yeast rice products be monitored for the same hepatic and muscle-related adverse effects that are seen with lovastatin (98822).
PREGNANCY: LIKELY UNSAFE
when used orally.
The red yeast rice constituent, lovastatin, has induced fetal skeletal malformations in animals (2619). The US Food and Drug Administration (FDA) recommends that most patients discontinue statin therapy during pregnancy due to the risks to the fetus; however, in certain high-risk patients, a prescription statin may be continued during pregnancy (107954).
LACTATION:
Insufficient reliable information available; avoid using.
The US FDA recommends against breastfeeding while taking statins (107954).
LIKELY SAFE ...when used orally and appropriately in doses up to 9 grams daily. Sitostanol has been safely used in studies lasting up to one year (5336,5429,5430,5431,5432,5433,5434,5435,5436,5437) (5438,5439,5441,5814,90725,90731).
CHILDREN: LIKELY SAFE
when used orally and appropriately, short-term in doses up to 6 grams daily.
Sitostanol has been safely used in children in studies lasting for up to 3 months (3888,3889,5438,7193,7194). There is insufficient reliable information available about the safety of long-term use of sitostanol in children.
PREGNANCY AND LACTATION:
Insufficient reliable information is available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product CholestSure. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Theoretically, artichoke leaf extract may increase the risk of hypoglycemia when taken with antidiabetes drugs.
 Details
A meta-analysis of small clinical studies shows that taking artichoke leaf extract for 8-12 weeks can modestly reduce fasting plasma glucose when compared with placebo (105768).
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Theoretically, artichoke leaf extract may increase the risk of hypotension when taken with antihypertensive drugs.
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A meta-analysis of small clinical studies in patients with hypertension shows that taking artichoke can reduce systolic blood pressure by around 3 mmHg and diastolic blood pressure by around 2 mmHg when compared with placebo (105767).
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Theoretically, artichoke might increase serum levels of drugs metabolized by CYP2B6.
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In vitro research shows that artichoke leaf extract inhibits CYP2B6 activity (97717). However, this interaction has not been reported in humans.
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Theoretically, artichoke might increase serum levels of drugs metabolized by CYP2C19.
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In vitro research shows that artichoke leaf extract inhibits CYP2C19 activity (97717). However, this interaction has not been reported in humans.
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Theoretically, chromium may have additive effects with antidiabetic agents and increase the risk of hypoglycemia.
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Theoretically, aspirin might increase chromium absorption.
Details
Animal research suggests that aspirin may increase chromium absorption and chromium levels in the blood (21055).
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Theoretically, concomitant use of chromium and insulin might increase the risk of hypoglycemia.
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Chromium might bind levothyroxine in the intestinal tract and decrease levothyroxine absorption.
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Clinical research in healthy volunteers shows that taking chromium picolinate 1000 mcg with levothyroxine 1 mg decreases serum levels of levothyroxine by 17% when compared to taking levothyroxine alone (16012). Advise patients to take levothyroxine at least 30 minutes before or 3-4 hours after taking chromium.
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NSAIDs might increase chromium levels in the body.
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Drugs that are prostaglandin inhibitors, such as NSAIDs, seem to increase chromium absorption and retention (7135).
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Coenzyme Q10 has antioxidant effects. Theoretically, this may reduce the activity of chemotherapy drugs that generate free radicals.
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Theoretically, coenzyme Q10 might have additive effects with antihypertensive drugs.
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Coenzyme Q10 is chemically similar to menaquinone and might have vitamin K-like procoagulant effects, which could decrease the effects of warfarin.
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Concomitant use of coenzyme Q10 and warfarin might reduce the anticoagulant effects of warfarin (2128,6048,6199). Four cases of decreased warfarin efficacy thought to be due to coenzyme Q10 have been reported (2128,6048,11048). However, there is some preliminary clinical research that suggests coenzyme Q10 might not significantly decrease the effects of warfarin in patients who have a stable INR (11905).
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Fish oil may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, evidence is conflicting.
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While fish oil may not be a potent inhibitor of platelet function, high doses of fish oil might have antiplatelet effects. Theoretically, concomitant use of fish oil with anticoagulant or antiplatelet drugs may increase the risk of bleeding (8671,8679,8696,13769,21223,21224,66258). However, the most rigorous research shows that short-term doses of fish oil 10 grams daily or long-term doses of 1.5 grams daily for up to 52 weeks does not increase the risk of bleeding or affect coagulation parameters in chronically ill and vulnerable patients (97180). Other controlled research shows that fish oil does not affect platelet function or increase the risk of bleeding (17990,17996,66105,66267,89374,107180). Some research even suggests that perioperative fish oil use decreases bleeding risk (89352). Some research suggests fish oil does not have additive antiplatelet effects when combined with aspirin (13769), but other clinical evidence suggests that adding fish oil to low-dose aspirin treatment increases antiplatelet effects in patients who are aspirin-resistant (21226). Also, some clinical research seems to show that fish oil has additive antiplatelet effects when used with aspirin and clopidogrel compared to aspirin and clopidogrel alone (21225).
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Theoretically, taking fish oil with antihypertensive drugs might increase the risk of hypotension.
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Theoretically, taking fish oil with contraceptive drugs might decrease the triglyceride-lowering effects of fish oil.
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There is some evidence that contraceptive drugs might interfere with the triglyceride lowering effects of fish oils (8694).
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Taking fish oil with cyclosporine might increase levels and adverse effects of cyclosporine.
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In kidney transplant recipients on a general immunosuppressive regimen, taking omega-3 fatty acids daily seems to increase peak blood levels of cyclosporine when compared with placebo. This increase was as much as 20% after one month. However, the area under the curve was not significantly affected (66472).
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Theoretically, taking fish oil with orlistat might decrease the absorption of fish oil fatty acids.
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Orlistat binds lipase in the gastrointestinal tract and reduces fat absorption. Theoretically, taking fish oil with orlistat might decrease absorption of fish oil fatty acids. To avoid this potential interaction, recommend separating administration of orlistat and fish oil by at least 2 hours.
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Theoretically, taking fish oil with platinum agents can cause resistance to platinum agents, potentially decreasing their effectiveness.
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Platinum-induced fatty acids (PIFAs) are fatty acids secreted from human and mouse stem cells when exposed to platinum-based chemotherapy. Animal research suggests that PIFAs cause resistance to chemotherapy by stimulating lysophospholipid production in the spleen, which interferes with the DNA damage caused by certain chemotherapy drugs (92076). One PIFA, known as 16:4(n-3), has been found in both raw fish and some commercially available fish oil products. Mackerel and herring have high PIFA concentrations, while salmon and tuna have low PIFA concentrations. Levels of PIFA in commercial fish oil products ranged from 0.2- 5.7 microMol. Animal research shows that PIFA-containing fish oil products cause resistance to cisplatin, fluorouracil, irinotecan, and oxaliplatin (91250,92075). It is unclear if all commercially available fish oil products contain PIFAs. Additionally, it is argued that levels of PIFA found in some fish oil products are too low to be of clinical concern. Furthermore, a lack of chemotherapy resistance in countries with high fish intake, such as Greenland, Japan, and Norway, suggest that this interaction may not be clinically significant (91288,91289).
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Taking fish oil with sirolimus might increase levels and adverse effects of sirolimus.
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Pharmacokinetic research shows that omega-3 fatty acids increase exposure to sirolimus in kidney transplant patients on a calcineurin inhibitor-free immunosuppressive regimen. A 25% dose reduction in sirolimus was required to keep patients within the expected trough-concentration window (105232). Researchers hypothesize that this may be due to inhibition of cytochrome P450 3A4 (CYP3A4) by fish oil, although this has not been confirmed in clinical research.
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Taking fish oil with tacrolimus might increase levels and adverse effects of tacrolimus.
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In a small group of patients, taking fish oil 2.6 grams (Omacor) daily for 4 weeks increased the 8-hour area under the curve of tacrolimus by 25% when compared with baseline. Peak levels were increased by approximately 22% (105212). Researchers hypothesize that this may be due either to an increase in bioavailability or to inhibition of cytochrome P450 3A4 (CYP3A4) by fish oil, although this has not been confirmed in clinical research.
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Fish oil may have antiplatelet effects and might increase the risk of bleeding if used with warfarin.
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Theoretically, guggul might increase the risk of bleeding when taken with anticoagulant/antiplatelet drugs.
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Theoretically, guggul might increase the risk of adverse effects when taken with contraceptive drugs.
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In vitro research shows that guggul has estrogen-alpha receptor agonist activity (12444).
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Theoretically, guggul might reduce the effects of CYP3A4 substrates.
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In vitro research shows that guggul constituents known as guggulsterones can induce CYP3A4 (12444).
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Guggul might reduce the effects of diltiazem.
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A small pharmacokinetic study shows that concomitant use of guggul with diltiazem reduces the bioavailability of diltiazem (383).
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Theoretically, guggul might increase the risk of adverse effects when taken with estrogens.
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In vitro research shows that guggul constituents known as guggulsterones have estrogen-alpha receptor agonist activity (12444).
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Guggul might reduce the effects of propranolol.
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A small pharmacokinetic study shows that concomitant use of guggul with propranolol reduces the bioavailability of propranolol (383).
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Theoretically, guggul might increase the effects and adverse effects of rosuvastatin.
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Animal research shows that guggul increases the bioavailability and hypolipidemic effects of rosuvastatin (109584). The mechanism of this interaction is unclear.
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Theoretically, guggul might interfere with tamoxifen therapy.
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In vitro research shows that guggul has estrogen-alpha receptor agonist activity (12444).
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Theoretically, guggul might increase the risk for adverse effects when taken with thyroid hormone therapy.
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Animal research suggests that guggul has thyroid-stimulating effects (8153).
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Theoretically, taking policosanol with other antiplatelet or anticoagulant drugs might increase the risk of bruising and bleeding.
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Some clinical research shows that taking policosanol 10-50 mg daily for 7-15 days can inhibit platelet aggregation in healthy patients (2936,2937,2938,103832). Although, one clinical trial shows that taking policosanol 10 mg twice daily for 2 weeks prior to warfarin dosing does not affect warfarin pharmacokinetics or warfarin response (20083). Furthermore, a study in patients undergoing percutaneous coronary intervention with a drug-eluting stent found that taking policosanol 40 mg plus clopidogrel and aspirin daily for 30 days modestly reduced the risk for minor bleeding events when compared with taking clopidogrel and aspirin alone (100684). Until more is known, use with caution.
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Theoretically, policosanol might have additive effects with antidiabetes drugs and increase the risk of hypoglycemia.
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Clinical research shows that policosanol can lower blood glucose levels (100178).
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Concomitant use of policosanol with beta-blockers can cause additive blood pressure-lowering effects.
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Theoretically, concomitant use of policosanol with nitroprusside might cause additive blood pressure-lowering effects.
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Animal research shows that taking policosanol along with nitroprusside can increase the blood pressure-lowering effects of nitroprusside (65374).
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Theoretically, taking policosanol with warfarin might increase the risk of bruising and bleeding.
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Some clinical research shows that taking policosanol 10-50 mg daily for 7-15 days can inhibit platelet aggregation in healthy patients (2936,2937,2938). However, one clinical trial shows that taking policosanol 10 mg twice daily for 2 weeks prior to warfarin dosing does not affect warfarin pharmacokinetics or warfarin response (20083).
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Theoretically, taking red yeast rice in combination with cyclosporine might increase the risk of myopathy.
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Theoretically, drugs that inhibit the CYP3A4 enzymes might increase levels of lovastatin from red yeast rice.
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Red yeast rice contains varying levels of the statin drug lovastatin, which is metabolized by CYP3A4 (104951). Combining red yeast rice with CYP3A4 inhibitors might increase serum levels of lovastatin from red yeast rice.
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Theoretically, taking red yeast rice in combination with gemfibrozil might increase the risk of rhabdomyolysis.
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Theoretically, concomitant use might increase the risk of liver damage.
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Red yeast rice contains varying levels of the drug lovastatin. Lovastatin can cause liver damage in some people (104951). Some clinical research suggests that supplements containing red yeast rice might increase liver enzyme levels in some, but not all, participants (42692,70491). Cases of acute hepatitis have been associated with red yeast rice (16654,54477). Combining it with hepatotoxic drugs might further increase this risk.
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Theoretically, taking red yeast rice with other statins might increase the risk of potential adverse effects.
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Red yeast rice contains varying levels of the statin drug lovastatin and might result in supratherapeutic levels when used with other statins. Based on evaluation of data from the US Food and Drug Administration's adverse event reporting system (FAERS), it is recommended that red yeast rice products be avoided in people taking prescription statins (98822).
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Theoretically, taking red yeast rice in combination with high-dose niacin might increase the risk of rhabdomyolysis.
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Below is general information about the adverse effects of the known ingredients contained in the product CholestSure. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
General
...Orally, artichoke extract seems to be well tolerated.
Most Common Adverse Effects:
Orally: Abdominal pain, diarrhea, flatulence, hunger, and nausea.
Topically: Contact dermatitis in sensitive individuals.
Serious Adverse Effects (Rare):
Orally: Anaphylaxis to artichoke inulin has been reported in individuals sensitive to inulin.
Topically: Chest tightness, cough, and dyspnea after occupational exposure in sensitive individuals.
Dermatologic
...Artichoke can cause an allergic reaction in some patients.
Patients sensitive to the Asteraceae/Compositae family may be at the greatest risk. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many other herbs. Topically, allergic contact dermatitis can occur with the use of artichoke. This has been attributed to the constituent cynaropicrin (11,52206,52226,52230). Redness in the face (11774) and sweating (91475) have been reported rarely following oral use of artichoke extract.
Occupational or airborne exposure to artichoke may also cause allergic reactions. In one case, a 52-year-old male presented with severe spongiotic dermatitis in exposed areas that was recurrent over the past 8 years. A patch test confirmed allergies to artichokes and sesquiterpene lactones, a group of allergens from the Compositae family, and the patient confirmed occupational and airborne exposure to artichokes during the time of his symptoms. The patient improved considerably after treatment with dupilumab (111565).
Gastrointestinal
...Orally, artichoke extract might increase abdominal discomfort, flatulence, diarrhea, hunger, and nausea in some patients (2562,52238,91475).
Abdominal pain and a bitter taste in the mouth were reported by a single person following oral use of a dietary supplement containing artichoke extract, as well as red yeast rice, pine bark extract, and garlic extract (89452). It is not clear if this adverse effect was due to artichoke, other ingredients, or the combination.
In one case report, the autopsy of an 84-year-old female revealed a colonic bezoar comprised of artichoke fiber and fragments. This bezoar caused complete intestinal obstruction, leading to fatal acute peritonitis. Although rare, patients who lack adequate teeth and/or who have a history of gastric surgery are at increased risk for fibrous bezoar formation (97716).
Pulmonary/Respiratory
...Following occupational exposure, allergic symptoms including dyspnea, cough, chest tightness, and asthma symptoms or exacerbation have been reported.
The effects were attributed to sensitization to artichoke. Subsequent nasal challenge with artichoke extract caused reduced nasal patency in these patients (52210,52230).
Orally, severe anaphylactic shock in response to artichoke inulin as an ingredient in commercially available products has been reported (52217). Individuals with a noted sensitivity to artichokes should consume inulin with caution. While rare, individuals with a known inulin allergy should avoid artichoke and artichoke extract.
General
...Orally, beta-sitosterol is generally well tolerated.
Topically, beta-sitosterol seems to be well tolerated.
Most Common Adverse Effects:
Orally: Constipation, diarrhea, gas, indigestion, and nausea.
Dermatologic ...Orally, beta-sitosterol can worsen acne when taken alone or in combination with saw palmetto (5331,15550).
Gastrointestinal
...Orally, beta-sitosterol can cause nausea, indigestion, gas, diarrhea, or constipation (5327,5328).
Beta-sitosterol can also reduce the appetite (5334). There is a case report of acute pancreatitis thought to be associated with taking beta-sitosterol in a 57-year-old male. Symptoms started the first day of use, but did not return when he stopped taking beta-sitosterol (106080).
Single reports of reduced appetite, flatulence, and diarrhea have been reported for patients taking a combination of saw palmetto and beta-sitosterol (15550).
Genitourinary ...Orally, beta-sitosterol can cause erectile dysfunction and loss of libido (5327,5329).
General
...Orally, chromium is generally well tolerated.
Most Common Adverse Effects:
Orally: Gastrointestinal irritation, headaches, insomnia, irritability, mood changes.
Serious Adverse Effects (Rare):
Orally: Rare cases of kidney and liver damage, rhabdomyolysis, and thrombocytopenia have been reported.
Dermatologic
...Orally, chromium-containing supplements may cause acute generalized exanthematous pustulosis (42561), skin rashes (42679), and urticaria (17224).
Also, chromium picolinate or chromium chloride may cause systemic contact dermatitis when taken orally, especially in patients with contact allergy to chromium (6624,90058). In one clinical study, a patient taking chromium nicotinate 50 mcg daily reported itchy palms that improved after the intervention was discontinued. It is unclear of this effect was due to the chromium or another factor (95096).
Topically, hexavalent chromium, which can be present in some cement, leather products, or contaminated soil, may cause allergic contact dermatitis (42645,42789,90060,90064,110606).
A case of lichen planus has been reported for a patient following long-term occupational exposure to chromium (42688).
Endocrine ...Orally, cases of hypoglycemia have been reported for patients taking chromium picolinate 200-1000 mcg daily alone or 200-300 mcg two or three times weekly in combination with insulin (42672,42783). Chromium picolinate has also been associated with weight gain in young females who do not exercise and in those following a weight-lifting program (1938).
Gastrointestinal
...Orally, chromium in the form of chromium picolinate, chromium polynicotinate, chromium-containing brewer's yeast, or chromium-containing milk powder may cause nausea, vomiting, diarrhea, decreased appetite, constipation, flatulence, or gastrointestinal upset (14325,42594,42607,42622,42643,42679).
Long-term exposure to heavy metals, including chromium, has been associated with increased risk of gallbladder disease and cancer (42682,42704).
Genitourinary ...Orally, chromium polynicotinate has been associated with disrupted menstrual cycles in patients taking the supplement to prevent weight gain during smoking cessation (42643).
Hematologic ...Anemia, hemolysis, and thrombocytopenia were reported in a 33 year-old female taking chromium picolinate 1200-2400 mcg daily for 4-5 months (554). The patient received supportive care, blood product transfusions, and hemodialysis and was stabilized and discharged a few days later. Lab values were normal at a one-year follow-up.
Hepatic ...Liver damage has been reported for a 33-year-old female taking chromium picolinate 1200 mcg daily for 4-5 months (554). Also, acute hepatitis has been reported in a patient taking chromium polynicotinate 200 mcg daily for 5 months (9141). Symptoms resolved when the product was discontinued. Two cases of hepatotoxicity have been reported in patients who took a specific combination product (Hydroxycut), which also contained chromium polynicotinate in addition to several herbs (13037).
Musculoskeletal ...Acute rhabdomyolysis has been reported for a previously healthy 24-year-old female who ingested chromium picolinate 1200 mcg over a 48-hour time period (42786). Also, chromium polynicotinate has been associated with leg pain and paresthesia in patients taking the supplement to prevent weight gain during smoking cessation (42643).
Neurologic/CNS ...Orally, chromium picolinate may cause headache, paresthesia, insomnia, dizziness, and vertigo (6860,10309,14325,42594). Vague cognitive symptoms, slowed thought processes, and difficulty driving occurred on three separate occasions in a healthy 35-year-old male after oral intake of chromium picolinate 200-400 mcg (42751). Transient increases in dreaming have been reported in three patients with dysthymia treated with chromium picolinate in combination with sertraline (2659). A specific combination product (Hydroxycut) containing chromium, caffeine, and ephedra has been associated with seizures (10307). But the most likely causative agent in this case is ephedra.
Psychiatric ...Orally, chromium picolinate has been associated with irritability and mood changes in patients taking the supplement to lose weight, while chromium polynicotinate has been associated with agitation and mood changes in patients taking the supplement to prevent weight gain during smoking cessation (6860,42643).
Renal
...Orally, chromium picolinate has been associated with at least one report of chronic interstitial nephritis and two reports of acute tubular necrosis (554,1951,14312).
Laboratory evidence suggests that chromium does not cause kidney tissue damage even after long-term, high-dose exposure (7135); however, patient- or product-specific factors could potentially increase the risk of chromium-related kidney damage. More evidence is needed to determine what role, if any, chromium has in potentially causing kidney damage.
Intravenously, chromium is associated with decreased glomerular filtration rate (GFR) in children who receive long-term chromium-containing total parenteral nutrition - TPN (11787).
Topically, burns caused by chromic acid, a hexavalent form of chromium, have been associated with acute chromium poisoning with acute renal failure (42699). Early excision of affected skin and dialysis are performed to prevent systemic toxicity.
Other ...Another form of chromium, called hexavalent chromium, is unsafe. This type of chromium is a by-product of some manufacturing processes. Chronic exposure can cause liver, kidney, or cardiac failure, pulmonary complications, anemia, and hemolysis (9141,11786,42572,42573,42699). Occupational inhalation of hexavalent chromium can cause ulceration of the nasal mucosa and perforation of the nasal septum, and has been associated with pneumoconiosis, allergic asthma, cough, shortness of breath, wheezing, and increased susceptibility to respiratory tract cancer and even stomach and germ cell cancers (42572,42573,42601,42610,42636,42667,42648,42601,42788,90056,90066). Although rare, cases of interstitial pneumonia associated with chromium inhalation have been reported. Symptoms resolved with corticosteroid treatment (42614).
General
...Orally, coenzyme Q10 is generally well tolerated.
In clinical studies, no serious adverse effects have been reported.
Most Common Adverse Effects:
Orally: Gastrointestinal side effects such as appetite suppression, diarrhea, epigastric discomfort, heartburn, nausea, and vomiting. These generally occur in less than 1% of patients. Some of these adverse effects can be minimized if daily doses above 100 mg are divided.
Cardiovascular ...Palpitations have been reported as being possibly associated with coenzyme Q10 treatment (89421). Death due to myocardial infarction occurred in one Parkinson disease patient taking coenzyme Q10; causality is unclear (15395).
Dermatologic ...Two of 143 participants in a case series reported skin itching after starting treatment with oral coenzyme Q10 (6047). Allergic rash has also been reported (6409,11872). An itching exanthema was seen in two heart failure patients treated with intravenous coenzyme Q10 (44284).
Gastrointestinal ...Gastrointestinal side effects of coenzyme Q10 have included nausea (3365,6409,8907,10152,43982,44172,44179,44330,89421,109392), vomiting (3365,10152,44330,89421), epigastric discomfort (3365,44179,44330,89421), constipation (109392), diarrhea (44179,92904,89421,109392), stomach upset (8940,12170,109387,109388,109392), loss of appetite (2121), heartburn (2121,44179,109392), and flatulence (43982), although this occurs in less than 1% of patients. In one clinical study, gastrointestinal bleeding in association with angiodysplasia has been reported to be possibly related to coenzyme Q10 treatment (89421).
Genitourinary ...An uncomplicated urinary infection was reported in a patient taking oral coenzyme Q10 (nanoQuinon, MSE Pharmazeutika) (44020).
Hematologic ...Thrombocytopenia was noted in one patient treated with oral coenzyme Q10 (44296); however, other factors (viral infection, other medications) may have been responsible for this adverse effect.
Musculoskeletal ...Increased plasma creatine kinase with high-intensity exercise has been reported in patients taking coenzyme Q10 (44303). Muscle pain has been reported rarely in one clinical trial (109392).
Neurologic/CNS ...Headache and dizziness have been reported in human research (3365,11872,43982,44330,109392). Insomnia has been reported as being possibly associated with coenzyme Q10 treatment (89421). Cognitive decline, depression, and sudden falls were reported rarely in a clinical trial of patients with Huntington disease (8940). Increased lethargy was reported for one patient treated with oral coenzyme Q10 (44042). Feeling of internal trembling has been reported in a clinical trial for one patient treated with coenzyme Q10 (44020).
Ocular/Otic
...Visual sensitivity to light has been reported for a patient treated with coenzyme Q10.
However, the association of this effect with coenzyme Q10 treatment was not clear (6409).
A burning sensation has been reported for 10% of patients treated with a topical eye solution containing coenzyme Q10 and alpha-tocopheryl polyethylene glycol 1000 succinate following cataract surgery (44228).
Psychiatric ...Worsening depression has been reported as being possibly associated with oral coenzyme Q10 treatment (89421).
Pulmonary/Respiratory ...Drug-induced pneumonitis was diagnosed in a 61 year-old woman who had been taking coenzyme Q10 and perilla leaf extract for two months (43978). Symptoms improved after she stopped taking the supplements and began taking oral prednisone. Causation from coenzyme Q10 was unclear.
Other ...In a case report, a naval aviator using a supplement containing coenzyme Q10 and niacin had reduced G tolerance (44186). G tolerance was regained with cessation of the supplement.
General
...Orally and parenterally, fish oil is generally well-tolerated.
Topically, no adverse effects have been reported. However, a thorough evaluation of safety outcomes has not been conducted.
Most Common Adverse Effects:
Orally: Abdominal pain, bad breath, fishy aftertaste, heartburn, increased low-density lipoprotein (LDL) cholesterol levels, loose stools, nausea, and rash.
Serious Adverse Effects (Rare):
Orally: Atrial fibrillation. When taken in doses of 3 grams or more daily, there are rare reports of increased risk of bleeding and stroke, as well as immune suppression.
Cardiovascular
...Orally, fish oil supplements in doses of 3-10 grams daily can cause a dose-dependent increase in low-density lipoprotein (LDL) cholesterol levels in some people (2299,2318,8678,8698,15734,15735,48120,65729) by increasing the size of LDL particles (9771).
Therefore, LDL levels should be monitored in people who take fish oil supplements (15734). But fish oil doesn't seem to cause development of atherosclerosis, despite earlier concerns that polyunsaturated fatty acids, such as omega-3 fatty acids, might increase the oxidation of LDL (1011,2323,7165,7366,8695,8700,9771).
There is concern that fish oil supplements may be associated with an increased risk for atrial fibrillation (AF). In one large clinical study (the STRENGTH trial), taking a prescription fish oil product (Epanova) 4 grams daily for up to 5 years was associated with an increased risk for AF, with a number needed to harm of 114 when compared with a corn oil control. The patients in this study were considered to be at high risk for future cardiovascular disease (CVD) (103491). Also, one large population study in adults without CVD suggests that regular use of fish oil supplements is associated with a modestly higher risk of both atrial fibrillation and stroke when compared with non-use of fish oil supplements (114182).
In a secondary analysis of the Omega-3 fatty acids in Elderly patients with Myocardial Infarction (OMEMI) trial, adults aged 70-82 years with recent myocardial infarction supplementing with 1.8 grams daily of n-3 PUFA (EPA/DHA) for 24 months had a 90% increased risk of developing AF or micro-AF, which is characterized by short, AF-like activity lasting less than 30 seconds. Changes in serum EPA levels seem to mediate this risk, with higher serum EPA levels predictive of an increased risk of AF and intermediate serum EPA levels predictive of an increased risk of micro-AF (112469).
Meta-analyses of randomized controlled trials show that taking omega-3 fatty acid supplements increases the incidence rate ratio for AF by up to 37% when compared with placebo, with an increased incidence rate associated with doses of more than 1 gram daily. One study in these analyses used eicosapentaenoic acid (EPA) alone as purified icosapent ethyl (106075,107171,107181).
In 2023, the Pharmacovigilance Risk Assessment Committee (PRAC) of the European Medicines Agency issued a public statement on the use of omega-3-acid ethyl esters, concluding that exposure to omega-3-acid ethyl esters for the treatment of hypertriglyceridemia is associated with a dose-dependent increased risk of AF in patients with established cardiovascular disease or risk factors for cardiovascular disease when compared with placebo. The highest risk of AF is associated with a dose of 4 grams daily. If AF occurs, treatment should be permanently discontinued (112467).
Dermatologic
...Orally, skin rashes, itching, and skin irritation have been reported (66498,66492,66488,89369,104551).
A case of severe tissue inflammation and breast tissue necrosis has been reported for a female who injected fish oil from capsules subcutaneously for breast augmentation (89371).
Gastrointestinal
...Orally, most adverse effects of omega-3 fatty acids are gastrointestinal in nature (12915,65599,65728,65770,65780,65904,66061,66104,66164,66488)(89347,89357,103491,103551,107172,114184).
Gastrointestinal upset is common with the use of fish oil supplements, occurring in up to 5% of patients in clinical trials, with nausea in up to 1.5% of patients (2307,16733,65599,65732,65762,65830,65886,65925,65974)(66020,66042,66083,66104,66130,66164,66169,66358,66370,66488)(66494,66498,89347,103491,104551,110353,114184). Diarrhea and loose stools may also occur (6257,10871,65599,65648,65830,65935,66042,66061,66104,66119)(66130,66173,66492,89347,89359,103491,104551,107172,110353), with potentially severe diarrhea at very high doses (12986,16901,66093,66356). There have also been reports of increased burping (17963,65648,65729,65770,65830,66020,66042,66077,66164,66169)(66492,66494,104551,114184), acid reflux, heartburn (104551,110338), indigestion (65566,65830,66061,66104,66173,89359,114184), abdominal bloating (66083,66104), abdominal or gastrointestinal pain or discomfort (8680,17996,66119,66492,103491), anorexia (62390,89359), flatulence (66492), constipation (16901), nausea and vomiting (65728,65830,66104,66130,66488,103491,104551), steatorrhea (66119,66354,66356), fishy hiccups (66488), metallic taste (66488), and a fishy breath odor and aftertaste (16901,65648,65729,65762,66020,66042,66061,66077,66083,66104)(66130,66164,66172,66173,66424,66488,66494,89369,104551,107172). Also, some preliminary evidence suggests that increased serum levels of omega-3 fatty acids, especially DHA, might increase the risk for atrophic gastritis (8709).
Gastrointestinal side effects may be minimized if fish oils are taken with meals and if doses are started low and gradually increased. Taking supplements with meals or freezing them seems to help decrease these side effects for some patients (12975). Enteric coated fish products might also help reduce side effects (6258).
Hematologic
...Orally, 3 grams or greater of omega-3 fatty acids daily may inhibit platelet aggregation and increase the risk of bleeding; however, there is little evidence of statistically significant bleeding risk at lower doses (1313,8699,66500,66501,66334,101543).
Very large intakes of fish oil or omega-3 fatty acids (more than 46 grams per day) may increase the risk of ischemic or hemorrhagic (bleeding) stroke (7603,66502).
A case of hemolytic anemia has been reported for an infant with short bowel syndrome who developed liver disease from total parenteral nutrition (TPN) and was switched to a specific TPN with fish oil (Omegaven, Fresenius-Kabi, Graz, Austria) instead. After stopping the fish oil-TPN, the anemia was reversed suggesting that parenteral fish oil might cause hemolytic anemia (66022).
Hepatic ...Orally, mild elevations in liver function tests, such as alanine aminotransferase and aspartate aminotransferase, have been reported rarely (66353,113218).
Immunologic
...A case of anaphylaxis following ingestion of a fish oil capsule has been reported for a female patient with a history of allergy to crab.
The patient was treated successfully with epinephrine, but had several recurrences of stridor over the next 2 days (89378).
There is also some evidence that fish oil in doses greater than 3 grams per day might adversely affect immune function. Fish oil appears to suppress T- and B-cell function and to reduce the production of cytokines, which might be detrimental to elderly people and people with suppressed immune function such as patients with human immunodeficiency virus (HIV) infection (1313,7383,7384).
Neurologic/CNS ...Orally, fish oil may cause headache, dizziness, and inability to sleep (65599,65648,89359,103491,104551). Also, restlessness and formication have been reported in less than 1% of studied cases of patients taking fish oil (66498).
Oncologic ...There is some concern that high fish intake may increase the risk for certain types of cancer. One large epidemiological study has found that dietary intake of fish oil from fatty fish twice a week or more is associated with a 16% increased risk of breast cancer when compared with eating fatty fish less than twice weekly (107175). Additionally, an analysis of the NIH-AARP Diet and Health Study, a prospective cohort study in over 491,000 older adults, has found that total intake of fish is associated with increased melanoma risk over a median follow-up of 15.5 years. When the lowest and highest quintiles of intake are compared, there is a 22% increase in the risk for malignant melanoma and a 28% increase in the risk for melanoma in situ. In sub-group analyses, all melanoma incidence is positively associated with tuna intake or non-fried fish intake, but malignant melanoma incidence is inversely associated with fried fish intake (108509). It was suggested that the positive associations could be due to contaminants in fish such as polychlorinated biphenyls, dioxins, arsenic, and mercury.
Pulmonary/Respiratory ...Orally, fish oil has been reported to cause nasopharyngitis and upper respiratory tract infections in 3. 3% of patients in one clinical trial (65798). Exacerbation of asthma and apnea have been reported for patients using fish oil (1040,66061,66119,66354).
Other ...Fish oil can contribute to caloric intake and may cause weight gain if used long-term. One gram of fat or oil provides 9 kcal (6871). Fish oil capsules containing 500 mg omega-3 fatty acids in 1 gram of oil would supply about 13.5 kcal per capsule (6871,6874). Fish oil supplements also contain cholesterol in amounts from 1-6 mg per gram of fish oil (3022,6871).
General
...Orally, guggul seems to be generally well tolerated.
Most Common Adverse Effects:
Orally: Belching, bloating, diarrhea, headache, nausea, unpleasant taste, and vomiting. Allergic and non-allergic skin reactions.
Topically: Allergic contact dermatitis in sensitive individuals.
Serious Adverse Effects (Rare):
Orally: Rhabdomyolysis.
Dermatologic
...Orally, guggul can cause hypersensitivity reactions including rash and pruritus (10371,54457).
Guggul can also cause nonallergic adverse skin reactions. The risk of skin reactions appears to be dose-dependent. In one study, the incidence of skin reactions was 3% with a dosage of 1000 mg three times daily, compared with 15% with a dosage of 2000 mg three times daily. The severity of the reactions ranged from pruritus to swelling and erythema of the face to bullous lesion on the lower legs associated with headaches, myalgias, and pruritus (13662).
Topically, guggul can cause allergic contact dermatitis (54464,54467). Also, in a small clinical study, one patient using a cream containing aqueous extracts of guggul and Allium ampeloprasum as well as sesame oil complained of rash at the application site (105751). It is unclear if this reaction was due to guggul, other ingredients, or other factors.
Gastrointestinal ...Orally, guggul can cause nausea, vomiting, loose stools, diarrhea, belching, bloating, hiccups, and mild gastrointestinal discomfort (3267,8155,8158,10371,52033,54492).
Hepatic ...A case of severe hypertransaminasemia has been reported for a 63-year-old female who took a specific product (Equisterol) containing guggulsterone and red yeast rice extract daily for 6 months. Liver function normalized after discontinuing the supplement. It is unclear if the adverse effect was due to guggulsterone, red yeast, or the combination. However, the patient had previously developed hepatotoxicity while taking lovastatin, and red yeast contains monacolin K, which is identical to lovastatin (54477). Also, a case of acute liver failure requiring liver transplantation has been reported for a previously healthy young female who used a mixed-ingredient dietary supplement containing extracts of green tea, guggul, and usnic acid. It is unclear if the hepatotoxicity was due to guggul or other ingredients; green tea has been associated with hepatotoxicity (54027).
Immunologic
...Orally, guggul can cause hypersensitivity reactions including rash and pruritus (10371,54457).
In a small clinical study, two adults with hyperlipidemia developed a hypersensitivity rash, one with facial edema, within minutes of oral administration of a methanolic extract of guggul, together with Terminalia extract (105741). It is unclear if this reaction was due to guggul, Terminalia, or other factors.
Topically, guggul can cause allergic contact dermatitis (54464,54467).
Musculoskeletal ...There is one case of rhabdomyolysis reported in a patient who took guggul 300 mg three times daily. The patient developed hemoglobinuria within 2 weeks of starting guggul in addition to increased alanine aminotransferase (ALT), aspartate aminotransferase (AST), lactate dehydrogenase, creatine kinase, and myoglobinemia. The patient did not have any muscular symptoms. The patient's condition improved when guggul was discontinued. The patient had a history of developing elevated creatine kinase levels after taking simvastatin; however, the patient was not taking a statin at the time of this episode of rhabdomyolysis (13029).
Neurologic/CNS ...Orally, guggul can cause headaches (3267,8155,8158,10371,42692,49583). Less commonly, guggul may cause restlessness and apprehension (49583,54492).
General ...Orally, plant sterols are generally well tolerated.
Dermatologic ...Acute dermatitis has been reported in a case report of a 51-year-old female who used a pharmacy-brand plant sterol supplement to lower cholesterol levels. The rash was widespread with lesions on the hands and feet and a red and swollen face. The patient was treated orally with prednisolone and topically with emollients for 2 weeks (90737). It is not entirely clear if this adverse effect was due to the plant sterol supplement or another contributing factor.
Endocrine ...Peripheral precocious puberty has been described in a 20-month-old boy who ingested about 15 grams daily of a chicken essence product containing the plant sterol avenasterol, also known as clerosterol or chondrillasterol. Signs and symptoms included elevated estradiol and testosterone levels, acne, hairiness, increased penis size, hoarse voice, and increased growth rate. These effects were reversed when the product was stopped (112084).
Gastrointestinal ...Abdominal discomfort has occurred in one child in a clinical trial of oral plant sterols (35106). Because plant sterols decrease cholesterol absorption in the gut, there is concern that they might produce some gastrointestinal symptoms like diarrhea and excess amounts of fat in the stool (steatorrhea), although these adverse effects have not been reported in clinical research.
General
...Orally, policosanol is usually well-tolerated.
Most Common Adverse Effects:
Orally: Dysuria, headache, insomnia, polyphagia, pruritis, skin rash, somnolence, upset stomach, vertigo, weight loss.
Dermatologic ...Orally, policosanol can cause pruritus or skin rash, but these events appear to be uncommon (65369,95374,100178). In one clinical trial that included over 50 patients, one case of policosanol-associated skin rash was reported (65369). In another study, 1 out of 40 patients treated with policosanol 10 mg daily reported pruritus (95374).
Gastrointestinal ...Orally, policosanol can cause upset stomach or polyphagia (2937).
Genitourinary ...Orally, policosanol can cause dysuria (2937).
Hematologic ...A case gum bleeding has been reported in a patient taking policosanol 20 mg and aspirin 100 mg daily for 7 days (2937).
Neurologic/CNS ...Orally, policosanol may cause headache, mild vertigo, somnolence, irritability, or insomnia but these events are uncommon. In one clinical study, 1 out of 44 subjects receiving policosanol 20 mg daily 12 weeks experienced mild vertigo and 2 out of 44 experienced mild headache (14404). In another study, 2 out of 70 patients taking policosanol 10 mg daily for 8 weeks experienced headache (69119). In another study, 1 out of 40 patients taking policosanol 10 mg daily reported insomnia (95374).
Other ...Orally, policosanol has been associated with weight loss. However, evidence from a post-market surveillance study of patients taking policosanol 5-15 mg daily shows that this adverse event is uncommon (95375).
General
...Orally, red yeast rice seems to be well tolerated.
Most Common Adverse Effects:
Orally: Abdominal discomfort, diarrhea, dizziness, flatulence, headache, heartburn, myopathy, and nausea.
Serious Adverse Effects (Rare):
Orally: There have been reports of hepatotoxicity and rhabdomyolysis, likely related to the lovastatin content of red yeast rice. Contaminated red yeast rice might cause renal toxicity.
Cardiovascular ...Orally, red yeast rice used in combination with other natural ingredients, such as green tea extract and policosanol, has been associated with a case of chest pain and a case of tachycardia requiring hospitalization, in post marketing surveillance (94001).
Dermatologic ...Orally, red yeast rice has been rarely associated with mild cases of pruritus and rash in clinical trials and post marketing surveillance (70531,94001,95664). Two cases of alopecia were reported in patients taking red yeast rice in clinical research (17089).
Gastrointestinal ...Orally, red yeast rice has been associated with mild adverse effects including abdominal discomfort, bloating, heartburn, flatulence, diarrhea or loose stools, nausea, vomiting, abdominal distention or pain, and reduced appetite, in clinical trials and post marketing surveillance (2624,6988,16836,70556,94001,95664). Taking red yeast rice with food may reduce the risk of heartburn, gas, and abdominal discomfort.
Genitourinary
...Orally, red yeast rice has been associated with rare reports of erectile dysfunction (70520).
In one case report, a 39-year-old male developed erectile dysfunction after taking red yeast rice for one week. The dysfunction resolved after discontinuation of red yeast rice (98822).
A case of cystitis has been reported in a patient taking a specific combination product (Limicol, Laboratoire Lescuyer) containing red yeast rice extract, sugar cane extract, dry artichoke leaf extract, dry garlic extract, pine bark extract, vitamin E, riboflavin, and inositol hexanicotinate (89451). However, it is unclear if this event was associated with red yeast rice or other ingredients in the supplement.
Hepatic ...Orally, red yeast rice preparations have been linked to case reports of hepatotoxicity, including increased liver enzymes and acute hepatitis (16654,54477,94001,95664,98822,112644). Since red yeast rice often contains significant concentrations of the statin-like monacolin constituents, including lovastatin, it has the potential to cause similar side effects, including elevated liver enzymes. Clinical trials have shown that red yeast rice intake is associated with mild increases in levels of aspartate aminotransferase (AST) and alanine aminotransferase (ALT), which suggests possible liver damage (42692,70491,70513,70531,70547,107952). A case report describes a 62-year-old female who developed mixed hepatocellular and cholestatic hepatitis while taking red yeast rice. Signs and symptoms included fever, dark colored urine, weight loss, hyperbilirubinemia, and elevated ALT levels, all of which resolved after stopping red yeast rice (112089). A small study in various patient populations shows that taking a specific combination product (Armolipid Plus, Rottapharm S.p.A.) containing red yeast rice, berberine, policosanol, and other ingredients modestly increases levels of ALT, but not AST (107953). Clinical reviews of red yeast rice products show the risk of liver injury is comparable to the placebo or active control group, including pravastatin or lovastatin, when taken for up to 24 weeks (95664,95666).
Immunologic
...In one case report, a 58-year-old male presented with complaints of chronic dysphagia from eosinophilic esophagitis 12 months after starting an oral red yeast rice supplement (Artechol) containing monacolin K.
Eosinophilic esophagitis resolved after cessation of red yeast rice (104465).
Inhalation of red yeast rice powder has resulted in one case of anaphylaxis (6997).
Musculoskeletal ...Orally, red yeast rice preparations have been linked to cases of myalgia, muscle spasm, rhabdomyolysis, and myopathy (9587,15017,16654,16834,16836,17089,70475,94001,95664,98822)(103311,112644,112645). Also, elevated creatine kinase levels up to 10 times normal, suggesting muscle injury and inflammation, have been reported in clinical and post-marketing research reports (6988,9587,15017,42692,70530,70567,94001,95664). The risk of muscle injury with red yeast rice seems to be similar to that with statins. In a small 3-month clinical trial in patients with previous statin intolerance, the rate of therapy discontinuation due to myalgia was similar between patients taking a specific red yeast rice product (Red Yeast Rice, Sylvan Bioproducts) 2400 mg twice daily (containing a daily dose of about 10 mg lovastatin) and patients taking pravastatin 20 mg twice daily (17089). However, in one case report, a 53-year-old patient experienced myalgia after 4 months of taking a red yeast rice product containing 4-8 mg lovastatin. Another case report describes a 50-year-old female who developed generalized myalgias and rhabdomyolysis, with elevated creatine phosphokinase, lactate dehydrogenase, and myoglobin levels, while taking red yeast rice (112306). The risk of myopathy seems to depend on the specific red yeast rice formulation and dose used (95903).
Neurologic/CNS ...Orally, red yeast rice has been associated with dizziness, headache, fatigue, and tingling in the extremities (6988,16836,17089,18110,94001). A case of peripheral neuropathy occurred in a 60-year-old male with a gastrointestinal tumor who was taking imatinib 400 mg daily along with red yeast rice for 3 years (89453). Three months after cessation of red yeast rice, symptoms resolved.
Ocular/Otic ...Orally, red yeast rice in combination with policosanol has been associated with one post-marketing report of hazy vision (94001).
Renal ...Orally, red yeast rice contaminated with citrinin may cause renal toxicity. Analyses of red yeast rice products have found that about one-third to two-thirds of these products contain citrinin (9588,17501,95666). Citrinin is a nephrotoxin that results from incorrect rice fermentation processes (9588,17501,70543). In vitro and in animal research, citrinin has been reported to cause kidney damage (70482,70542,70540).
Other ...Orally, red yeast rice has been associated with rare cases of edema (70508,70520,70525).
General ...Orally, sitostanol is well tolerated. Adverse effects have not been reported in clinical trials in adults or children (3888,5336,5429,5430,5431,5432,5433,5434,5435,5436)(5437,5438,5439) (5441,7103,7104,7105,7193,7194) (90725,90731,90750). However, because sitostanol decreases cholesterol absorption in the gut, it might be expected to produce some gastrointestinal symptoms like diarrhea and excess amounts of fat in the stool (steatorrhea).
Gastrointestinal ...Although adverse effects have not been reported, sitostanol decreases cholesterol absorption in the gut, and it might be expected to produce some gastrointestinal symptoms like diarrhea and excess amounts of fat in the stool (steatorrhea).
