| Ingredients | Amount Per Serving |
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((organic) naturally providing:)
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1000 mg |
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(Omega-3)
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(LA)
(Omega-6)
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(OA, Omega-9)
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other Fatty Acids
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Phytonutrients
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Hydroxymethyl Starch, Glycerin, Water, Purified
Below is general information about the effectiveness of the known ingredients contained in the product Flaxseed. 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
Below is general information about the safety of the known ingredients contained in the product Flaxseed. 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 typically found in foods (7141,7142,7144). There is insufficient reliable information available about the safety of alpha-linolenic acid when used in larger, medicinal amounts.
PREGNANCY AND LACTATION: LIKELY SAFE
when used orally in amounts typically found in foods (7141,7142,7145).
There is insufficient reliable information available about the safety of alpha-linolenic acid during pregnancy and lactation when used in larger, medicinal amounts; avoid using.
LIKELY SAFE ...when used orally in amounts found in foods. CLA occurs naturally in milk fat, beef, and the meat of other ruminant animals (5924,5925,5932,5933).
POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts of up to 6. 8 grams daily, short-term (2819,2821,3153,4947,10410,11327,111056).
CHILDREN: LIKELY SAFE
when used orally in amounts found in foods.
CLA occurs naturally in milk fat, beef, and the meat of other ruminant animals (5924,5925,5932,5933).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately in medicinal amounts.
Some evidence suggests that CLA 3 grams daily can be taken safely for up to 7 months (45713).
PREGNANCY AND LACTATION: LIKELY SAFE
when used orally in amounts found in foods (5924,5932,5933).
There is insufficient reliable information available about the safety of CLA when used in medicinal amounts during pregnancy or lactation; avoid using.
LIKELY SAFE ...when used orally and appropriately for medicinal purposes, short-term. Flaxseed oil has been used safely in doses up to 2 grams daily for up to 6 months. Higher doses of up to 24 grams daily has been safely used for up to 7 weeks (845,3912,5898,14443,16789,16791,16794,16795,17523,101951,101952,101955).
POSSIBLY SAFE ...when used topically for medicinal purposes, short-term. Flaxseed oil has been used safely on the wrist for up to 4 weeks (25691). ...when used in eye drops twice daily for up to 90 days (101953).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately, short-term.
Some evidence suggests that flaxseed oil, providing 200 mg of alpha-linolenic acid, can be safely used in children for up to 3 months (14443).
PREGNANCY: POSSIBLY SAFE
when used orally and appropriately for medicinal purposes, short-term.
Although flaxseed oil has been used with apparent safety in clinical research in doses of 1-2 grams daily for up to 6 weeks (96432,101957), some population research has found that consuming flaxseed oil during the second and third trimesters of pregnancy is associated with a four-fold increased risk of premature birth (16797).
LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally in food amounts. Edible oils containing high amounts of oleic acid are commonly used in foods (26466,90681,94452,101821,101824,101828,101830,101838). There is insufficient reliable information available about the safety of oleic acid when used as medicine.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using in amounts greater than those commonly found in foods.
Below is general information about the interactions of the known ingredients contained in the product Flaxseed. 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, CLA may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
 Details
Some clinical evidence suggests that intake of CLA reduces platelet aggregation by approximately 10% (45607). The clinical significance of this effect is unclear.
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Theoretically, taking CLA with antihypertensive drugs might increase the risk of hypotension.
Details
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Theoretically, taking black seed with ramipril might increase the risk of hypotension.
Details
Some clinical research shows that CLA enhances the blood pressure-lowering effects of ramipril (45569).
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Theoretically, using flaxseed oil in combination with anticoagulant or antiplatelet drugs might have additive effects and increase the risk of bleeding.
Details
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Theoretically, combining flaxseed oil with other antihypertensive drugs might have additive effects and increase the risk of hypotension.
Details
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Concomitant use of flaxseed oil and ezetimibe reduces the absorption of alpha-linolenic acid from flaxseed oil.
Details
In one clinical study, concomitant consumption of ezetimibe 10 mg daily with flaxseed oil 2 grams providing 1 gram of alpha-linolenic acid daily blocked the absorption of alpha-linolenic acid, resulting in an overall reduction in alpha-linolenic plasma levels from baseline (96433).
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Theoretically, oleic acid might increase the effects of antidiabetes drugs. Preliminary clinical research in patients with type 2 diabetes taking oral hypoglycemic drugs shows that eating a diet rich in oleic acid from olive oil decreases fasting blood glucose levels when compared to eating a diet rich in linoleic acid from sunflower oil (8132). It is unknown if taking oleic acid supplements would have this effect or if this change is clinically significant. Until more is known, use caution. Dose adjustment may be necessary. Some antidiabetes drugs include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, metformin (Glucophage), pioglitazone (Actos), rosiglitazone (Avandia), and others.
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Below is general information about the adverse effects of the known ingredients contained in the product Flaxseed. 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, alpha-linolenic acid from dietary sources is well tolerated when used in the diet as a replacement for other sources of fat, such as saturated fats.
Serious Adverse Effects (Rare):
Orally: There is some concern that high dietary intake of alpha-linolenic acid might increase the risk for prostate cancer, although research is conflicting.
Oncologic ...Epidemiologic research suggests that high dietary intake of alpha-linolenic acid might increase risk for prostate cancer (1337,2558,7823,7147,12978). Other research suggests high intake or serum levels of alpha-linolenic acid does not increase the overall risk of prostate cancer (12961,15736); however, it might increase the risk of advanced prostate cancer (12961). Association with prostate cancer appears to depend on the sources of alpha-linolenic acid. Dairy and meat sources has been positively associated with prostate cancer, whereas plant sources, such as flaxseed, don't seem to affect prostate cancer risk (12909). According to a clinical trial, intake of alpha-linolenic acid does not appear to increase levels of prostate specific antigen (PSA) (91402). Also, longer-chain omega-3 fatty acids in fish oils are associated with a decreased risk of total and advanced prostate cancer (12961).
Other ...Alpha-linolenic acid is a type of fat, containing 9 kilocalories/gram, and may result in weight gain if consumed in excess. Patients should be advised that it's best to substitute alpha-linolenic acid in the diet for other sources of fat, such as saturated fats.
General
...Orally, CLA is well tolerated when found in foods.
When taken in medicinal amounts, CLA seems to be well tolerated.
Most Common Adverse Effects:
Orally: Diarrhea, dyspepsia, flatulence, loose stools, and nausea.
Serious Adverse Effects (Rare) :
Orally: Cases of hepatotoxicity have been reported.
Cardiovascular
...Some preliminary clinical research suggests that the t10,c12 isomer of CLA can decrease high-density lipoprotein (HDL) cholesterol levels (2821).
This isomer of CLA, as well as a mixture of CLA isomers, seems to increase plasma triglyceride levels, the ratio of low-density lipoprotein (LDL) cholesterol to HDL cholesterol, and the ratio of total cholesterol to HDL cholesterol (45148,45468), although not all research has identified these effects (107475).
A meta-analysis of 6 randomized, controlled trials shows that administration of CLA in individuals who are overweight or obese significantly increases lipoprotein (a) levels, a value associated with increased risk of cardiovascular disease. Subgroup analyses suggest this increase is more prominent in trials that are longer than 6 months in duration and with CLA doses of at least 3.5 grams daily (107475).
Endocrine ...Orally, CLA has been shown to increase insulin resistance and glucose concentrations, as well as decrease insulin sensitivity in some patients, including obese individuals or patients with type 2 diabetes (2821,13026,45145,45152,45513). Some evidence suggests that this effect is isomer-specific and occurs with only the t10,c12 isomer (2821,13026), while other evidence shows that decreased insulin sensitivity may also occur with the c9,t11 isomer or with a 50:50 mixture of c9,t11 and t10,c12 isomers (45145,45152).
Gastrointestinal ...Orally, the most common adverse effect reported with CLA is gastrointestinal upset including diarrhea, constipation, nausea, loose stools, dyspepsia, bloating, and flatulence (3153,4947,45280,45705,45730,111056). Esophageal irritation was reported in one patient who bit open and swallowed a capsule containing CLA (45577).
Hepatic ...Orally, clinical research shows that CLA 3 grams daily for 12 weeks does not affect liver outcome measures (105809). However, there are at least two case reports of hepatotoxicity. Asthenia, jaundice, and pruritus were reported in a 46-year-old female who consumed CLA for two weeks. Abnormal liver enzyme levels returned to normal following discontinuation of CLA supplementation (45483). Hepatotoxicity, presenting as fulminant hepatitis and characterized by anorexia, nausea, jaundice, choluria, and hepatic encephalopathy requiring liver transplantation has also been reported in a 63-year-old female taking a CLA-containing weight-loss supplement for one month (91589).
Musculoskeletal ...Orally, CLA has been reported to cause back ache in one individual in one clinical trial (45787).
Neurologic/CNS ...Orally, CLA may cause headache or fatigue (3153,45787). In one case report, a 50-year-old female presented with headache and subarachnoid hemorrhage due to reversible cerebral vasoconstriction syndrome (RCVS) after taking a combination product containing green tea, L-carnitine, and CLA for one week. At 28 days after discontinuation of the combination product and surgery, angiography showed complete regression of vascular restrictions (97007). It is unclear if this adverse effect was due to CLA, another ingredient in the product, or a combination of ingredients.
Other ...Orally, CLA has been reported to cause halitosis in one patient in one clinical trial (45839).
General
...Orally, flaxseed oil is generally well tolerated.
Topically, flaxseed oil seems to be well-tolerated.
Most Common Adverse Effects:
Topically: Itching, redness.
Serious Adverse Effects (Rare):
Orally: Severe allergic reactions such as anaphylaxis.
Endocrine ...Orally, flaxseed oil might cause gynecomastia. In a case report, a 70-year-old male developed gynecomastia after taking flaxseed oil daily for 3 months. Discontinuing flaxseed oil lead to resolution of gynecomastia (105478).
Gastrointestinal ...Orally, flaxseed oil may cause a change in bowel habits, dry mouth, and dyspepsia when taken at a dose of about 5 grams daily. However, these effects have been reported by only a small number of patients (approximately 3%) (16794). High doses of flaxseed oil (30 grams per day and higher) have been associated with loose stools and diarrhea (5898,11025).
Immunologic ...Severe allergic reactions such as anaphylaxis have been reported with flaxseed oil ingestion and also in workers processing flaxseed products (6809).
Ocular/Otic ...Topically, eye drops containing flaxseed oil may cause redness and itching (101953).
Oncologic ...Flaxseed oil has not been linked to increased prostate cancer risk. Although epidemiologic research has found that high dietary intake of alpha-linolenic acid (ALA) is associated with increased prostate cancer risk (1337,2558,7147,7823,12978), this risk does not seem to apply to ALA from plant sources, like flaxseed (12909).
General ...Orally, oleic acid generally well tolerated when used as part of oils and fats in the diet (26466,90681,94452,101821,101824,101828,101830,101838). Temporary burning in the mouth or throat has occurred in some patients (101848).
Gastrointestinal ...Orally, oleic acid has caused temporary burning in the mouth or throat in some patients in one clinical study (101848).
