Ingredients | Amount Per Serving |
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Carb Shield Complex
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1115.33 mg |
(Cassia nomame )
(seed)
(8% Flavanol)
(Cassia nomame extract (Form: 8% Flavanol) PlantPart: seed Genus: Cassia Species: nomame )
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(Cinnamomum cassia )
(dried bark)
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(Gymnema sylvestre )
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Amylase
(10,000 SKB/g)
(Amylase Note: 10,000 SKB/g )
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(10,000 HUT/g)
(Protease Note: 10,000 HUT/g )
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(10,000 IU/g)
(Lipase Note: 10,000 IU/g )
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Rice Flour, Magnesium Stearate, Gelatin, Titanium Dioxide, FD&C Yellow #5, FD&C Yellow #6
Below is general information about the effectiveness of the known ingredients contained in the product Carb Shield. 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
There is insufficient reliable information available about the effectiveness of Cassia nomame.
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
Proteolytic enzymes represent a wide group of enzymes that are used alone or in combination. See specific monographs for effectiveness information.
Below is general information about the safety of the known ingredients contained in the product Carb Shield. 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 consumed in amounts commonly found in foods. Cassia cinnamon has Generally Recognized As Safe (GRAS) status in the US for use as a spice or flavoring agent (4912) ...when used orally and appropriately, short-term. Cassia cinnamon 1-2 grams daily has been used safely for up to 3 months (17011,21914). Cassia cinnamon 3-6 grams daily has been used safely for up to 6 weeks (11347,14344). Cassia cinnamon extract corresponding to 3 grams daily of cassia cinnamon powder has also been used safely for up to 4 months (21916).
POSSIBLY SAFE ...when used topically, short-term. Cassia cinnamon oil 5% cream applied topically to the legs has been used safely in one clinical trial (59580).
POSSIBLY UNSAFE ...when used orally in high doses, long-term. Some cassia cinnamon products contain high levels of coumarin. Coumarin can cause hepatotoxicity in animal models (15299,21920). In humans, very high doses of coumarin from 50-7000 mg daily can result in hepatotoxicity that resolves when coumarin use is discontinued (15302). In most cases, ingestion of cassia cinnamon will not provide a high enough amount of coumarin to cause significant toxicity; however, in especially sensitive people, such as those with liver disease, prolonged ingestion of large amounts of cassia cinnamon might exacerbate the condition.
CHILDREN: POSSIBLY SAFE
when used orally and appropriately, short-term.
Cassia cinnamon 1 gram daily has been used safely in adolescents 13-18 years of age for up to 3 months (89648).
PREGNANCY AND LACTATION: LIKELY SAFE
when consumed in amounts commonly found in foods (4912).
There is insufficient reliable information available about the safety of cassia cinnamon when used in medicinal amounts during pregnancy and breast-feeding. Stay on the safe side and stick to food amounts.
There is insufficient reliable information available about the safety of Cassia nomame.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE. ..when used orally, short-term. Chitosan has been used with apparent safety in clinical studies at a dose of up to 1.35 grams daily for up to 3 months (1942,9609,9610,10022,10023,10024,10025,11307,13171,14314)(15126,92781,97708). ...when used topically, short-term (1944,1945,4269,4270,97712,106521).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
LIKELY SAFE ...when used orally as food (11358,11359). Glucomannan powder or flour is often used to enrich noodles in traditional Japanese foods.
POSSIBLY SAFE ...when used orally with at least 250 mL (8 ounces) of water or other fluid. Glucomannan has been safely used in studies lasting up to 4 months (178,179,181,182,11046,11294,11357,11294,54240,57775)(57781,57783,57784,92004,92008,92009,92010,92011,106410). In the European Union, the maximum permitted level in foods is 10 grams/kg (106411).
POSSIBLY UNSAFE ...when used orally without any liquid, especially when in tablet form. There have been reports of choking and esophageal or gastrointestinal obstruction when glucomannan products are taken dry. A safety alert for this has been issued by Health Canada (11293,57785,106410).
CHILDREN: POSSIBLY SAFE
when used orally and appropriately with at least 250 mL (8 ounces) of water or other fluid.
Glucomannan has been safely used in children for up to 4 months (179,180,11295,57775,57779,92005,92006,97935).
CHILDREN: LIKELY UNSAFE
when used orally without any liquid, especially when in tablet form.
There have been reports of esophageal and gastrointestinal obstruction when glucomannan products are taken dry (11293,57785,106410).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. Gymnema leaf extract has been used safely in doses of 200 mg twice daily for up to 20 months or 300 mg twice daily for 12 weeks (45,46,42604,105346).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
There is insufficient reliable information available about the safety of lipase.
CHILDREN: POSSIBLY UNSAFE
when recombinant human bile salt-stimulated lipase (rhBSSL) is used orally by premature infants.
Adding rhBSSL to infant formula or pasteurized breast milk increases the risk for serious gastrointestinal adverse effects in premature infants (101940).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. Most research has evaluated a specific Phaseolus vulgaris (white kidney bean) extract (Phase 2, Pharmachem Labs), which appears to be safe in doses of up to 3 grams daily for 2-3 months (12186,15518,26157,29926). Other Phaseolus vulgaris (white kidney bean) extracts also seem to be safe in doses of 0.9-2.4 grams daily when used for up to 3 months (10633,104875).
POSSIBLY UNSAFE ...when large amounts of fresh Phaseolus vulgaris husks are ingested. Raw Phaseolus vulgaris husks contain lectins that can cause gastrointestinal upset. Cooking destroys the lectins (18).
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
POSSIBLY SAFE ...when used orally and appropriately. Various proteolytic enzymes have been safely used orally in clinical research (716,964,965,968,969,6252,6253,10622,11457,18281,18284) (91104,91105,91106,91111,96449). Side effects are typically mild to moderate and most often include gastrointestinal effects. See specific monographs for more detailed information related to the safety of individual proteolytic enzymes. ...when used topically and appropriately. Various proteolytic enzymes have been safely used topically in clinical research (67835,67843,67845,91113). Some proteolytic enzymes might cause allergic reactions when used topically. See specific monographs for more detailed information related to the safety of individual proteolytic enzymes.
PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product Carb Shield. 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, cassia cinnamon may have additive effects with antidiabetes drugs.
Details
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Theoretically, large doses of cassia cinnamon might cause additive effects when used with hepatotoxic drugs.
Details
There is some concern that ingesting large amounts of cassia cinnamon for an extended duration might cause hepatotoxicity in some people. Cassia cinnamon contains coumarin, which can cause hepatotoxicity in animal models (15299,21920). In humans, very high doses of coumarin from 50-7000 mg/day can result in hepatotoxicity that resolves when coumarin use is discontinued (15302,97249). Lower amounts might also cause liver problems in sensitive people, such as those with liver disease or those taking potentially hepatotoxic agents.
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Chitosan can reduce the absorption of acyclovir, potentially increasing the risk for treatment failure.
Details
Clinical research in humans shows that taking chitosan along with acyclovir 200 mg reduces acyclovir absorption. Concomitant administration of chitosan 400 mg or 1000 mg reduced the acyclovir area under the curve (AUC) and peak plasma concentration by about 30% and 40%, respectively, compared with control. Concomitant administration with chitosan 1000 mg also increased time to peak concentration from 1 hour to 2 hours (92780). In vitro research suggests that the mechanism for reduced absorption is due to acyclovir entrapment in chitosan-mucus complexes, which reduces intestinal absorption (112352).
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Theoretically, chitosan might increase the risk of bleeding when taken with warfarin.
Details
In a case report, a patient taking warfarin had a significantly increased international normalized ratio (INR) after starting chitosan 1200 mg daily. The INR normalized after chitosan was discontinued and vitamin K was administered. The patient once again started taking chitosan and again had a significant increase in INR. The INR stabilized again once chitosan was discontinued (15909). Researchers theorize that this interaction might occur because chitosan decreases absorption of fat-soluble vitamins, including vitamin K, which could increase the anticoagulant effect of warfarin.
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Theoretically, glucomannan may decrease absorption of drugs taken orally.
Details
Due to its viscosity and bulking effects, there is concern that glucomannan can decrease the absorption of oral drugs. A small clinical study in healthy volunteers shows that taking glyburide 2.5 mg plus glucomannan 3.9 grams with breakfast reduces plasma levels of glyburide when compared with breakfast and glyburide alone (11360). In addition, animal research demonstrates this effect on amoxicillin, but shows increased absorption of metronidazole. This mouse model also demonstrates that metronidazole elimination is prolonged, but amoxicillin elimination is enhanced by 38%; glucomannan may also affect the distribution of some drugs (112703). To avoid changes in absorption, take glucomannan 30-60 minutes after taking oral drugs.
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Theoretically, taking gymnema with antidiabetes drugs might increase the risk of hypoglycemia.
Details
Gymnema reduces blood glucose levels in some human and animal research. In human studies, it has been shown to enhance the blood glucose lowering effects of hypoglycemic drugs (45,46,92119,92121,92123). However, other research in adults with prediabetes or metabolic syndrome suggests that gymnema does not reduce fasting levels of blood glucose (96235,105346). Until more is known, monitor blood glucose levels closely.
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Theoretically, gymnema might increase levels of drugs metabolized by CYP1A2.
Details
Animal and in vitro research shows that gymnema can inhibit the CYP1A2 enzyme (96236,96237,96238). In one animal study, oral administration of gymnema for 7 days increased the plasma concentrations of phenacetin, a CYP1A2 substrate, by about 1.4-fold and reduced the clearance of phenacetin by about 29% (96237).
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Theoretically, gymnema might increase or decrease levels of drugs metabolized by CYP2C9.
Details
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Theoretically, gymnema might increase levels of drugs metabolized by CYP3A4.
Details
One in vitro study using rat liver microsomes shows that gymnema can modestly inhibit the CYP3A4 enzyme (96238). However, other in vitro research using human liver microsomes shows that gymnema does not affect CYP3A4 activity (96236). Animal research also shows that gymnema does not alter the function of CYP3A4. In one study in rats, oral administration of gymnema for 7 days did not alter the clearance of amlodipine, a CYP3A4 substrate (96237).
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Theoretically, taking gymnema with phenacetin might increase the levels of phenacetin.
Details
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Theoretically, taking gymnema with tolbutamide might the decrease levels of tolbutamide.
Details
Animal research shows that gymnema, administered orally for 7 days, increases the clearance of tolbutamide by 2.4-fold when compared to control (96237).
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Theoretically, Phaseolus vulgaris might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Details
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Below is general information about the adverse effects of the known ingredients contained in the product Carb Shield. 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, cassia cinnamon appears to be well-tolerated.
Significant side effects have not been reported in most patients.
Most Common Adverse Effects:
Topically: Burning mouth, stomatitis.
Dermatologic
...In one clinical trial, a rash was reported in one patient taking cassia cinnamon 1 gram daily for 90 days (17011).
In one case, a 58-year-old female with a documented allergy to topically applied cinnamic alcohol presented with eyelid dermatitis, which was found to be a manifestation of systemic contact dermatitis to cinnamon in the diet. Symptoms improved in two days and completely cleared five days after discontinuing the addition of cinnamon to food products (95599). In other case reports, two adults presented with allergic contact cheilitis following the ingestion of chai tea with cinnamon and yogurt with cinnamon. Cinnamon components were confirmed as the causative allergic agents with patch tests, and both cases of allergic contact cheilitis completely resolved upon cessation of the cinnamon-containing products (113516,113515).
Topically, allergic skin reactions and stomatitis from toothpaste flavored with cassia cinnamon have been reported (11915,11920). Intraoral allergic reactions with symptoms of tenderness and burning sensations of the oral mucosa have also been reported in patients using breath fresheners, toothpaste, mouthwash, candy, or chewing gum containing cinnamon, cinnamic aldehyde or cinnamic alcohol as flavoring agents. Glossodynia, or burning mouth syndrome, has also been reported in a 62-year-old female who ate apples dipped in cinnamon nightly (95598), and allergic contact dermatitis has been reported in a teenage female using a homemade cinnamon sugar face scrub (95596).
Endocrine ...In one clinical trial, a hypoglycemic seizure was reported in one patient taking cassia cinnamon 1 gram daily for 3 months. The event occurred one day after enrolling in the study (89648). It is unclear if cassia cinnamon caused this event.
Hepatic ...There is some concern about the safety of ingesting large amounts of cassia cinnamon for extended durations due to its coumarin content. Coumarin can cause hepatotoxicity in animal models (15299). In humans, very high doses of coumarin from 50-7000 mg/day can result in hepatotoxicity that resolves when coumarin is discontinued (15302). In clinical trials, taking cassia cinnamon 360 mg to 12 grams daily for 3 months did not significantly increase levels of aspartate transaminase (AST) or alanine transaminase (ALT) (21918,96280,108259). However, in one case report, acute hepatitis with elevated AST and ALT occurred in a 73-year-old female who started taking a cinnamon supplement (dose unknown) one week prior to admission. The cinnamon supplement was added on to high-dose rosuvastatin, which may have led to additive adverse hepatic effects. After discontinuing both products, liver function returned to normal, and the patient was able to restart rosuvastati without further complications (97249). In most cases, ingestion of cassia cinnamon won't provide a high enough amount of coumarin to cause significant toxicity; however, in especially sensitive people, such as those with liver disease or taking potentially hepatotoxic agents, prolonged ingestion of large amounts of cassia cinnamon might exacerbate the condition.
Immunologic ...An unspecified allergic reaction was reported in one patient taking cassia cinnamon 1 gram daily for 3 months (89648).
General ...No adverse effects have been reported. However, a thorough evaluation of safety outcomes has not been conducted.
General
...Orally and topically, chitosan seems to be well tolerated, short-term.
Most Common Adverse Effects:
Orally: Constipation, diarrhea, flatulence, epigastric discomfort, and nausea.
Dermatologic ...In one clinical trial, a subject with kidney failure reported itching during 12 weeks of oral chitosan treatment (1942). It is not clear if this was related to the underlying renal failure or the use of oral chitosan.
Gastrointestinal ...Orally, chitosan has been reported to cause epigastric discomfort, constipation, flatulence, diarrhea, nausea, and dryness of the throat (1942,3243,9986,11307,14314,41688,92781,100170). Excessive discharge of fat in the feces, also known as steatorrhea, has been reported with chitosan therapy (41724,41726). Theoretically, chitosan may alter the normal intestinal flora via antimicrobial activity, which could interfere with lipid digestibility and bile acid metabolism, leading to the growth of resistant pathogens (41687,41709,41725).
Musculoskeletal ...Orally, chitosan has been reported to cause swollen heels and wrists in two patients (41688).
Neurologic/CNS ...Headaches have been reported in patients taking oral chitosan (41688).
Ocular/Otic ...Topically, an eye drop containing chitosan-N-acetylcysteine has been reported to cause itching and irritation of the eyes (97710).
General
...Orally, glucomannan is generally well tolerated when taken with plenty of water or other liquid.
Most Common Adverse Effects:
Orally: Abdominal pain, bloating, constipation, diarrhea, flatulence, nausea, and vomiting.
Serious Adverse Effects (Rare):
Orally: Choking and esophageal or gastrointestinal obstruction, especially when taken as a dry powder or in tablet form.
Gastrointestinal ...Orally, glucomannan can cause gastrointestinal disturbances, including abdominal pain, bloating, constipation, diarrhea, flatulence, nausea, and vomiting, especially when taken in doses of more than 3 grams daily (57781,57784,92004,92010,92011,97935,106411). Esophageal and gastrointestinal obstructions have been reported when dry glucomannan-containing products are taken with insufficient fluid (11293,57785,106410).
Hepatic ...Acute cholestatic hepatitis occurred in a 31-year-old male after taking glucomannan orally for 45 days (57777). He was also taking other supplements, including garlic and chitosan, so it is unclear whether the hepatitis was due to glucomannan, other supplements, or the combination.
Pulmonary/Respiratory ...Cases of occupational respiratory disorders, including respiratory sensitization and bronchial asthma, have been reported in workers exposed to glucomannan (57789,57810).
General ...Orally, gymnema seems to be well tolerated.
Hepatic ...A case of drug-induced hepatitis characterized by weakness, fatigue, jaundice, and elevated liver enzymes, has been reported for a patient who consumed gymnema tea three times daily for 10 days. The patient was administered prednisone 60 mg once daily and was eventually tapered off prednisone and discharged. Laboratory values normalized after 6 months (95005). A case of hepatitis-associated aplastic anemia characterized by jaundice, elevated liver function tests, and pancytopenia has been reported for a patient who consumed gymnema 2 grams twice daily for at least a month. Treatment with ursodeoxycholic acid for 8 weeks led to resolution of cholestatic hepatitis; however, the pancytopenia was not responsive to treatment with immunosuppressive drugs and the patient died 5 months after presentation (110021). The exact reason for these adverse effects is not clear; they may have been idiosyncratic.
General
...No adverse effects have been reported in adults.
However, a thorough evaluation of safety outcomes has not been conducted.
Serious Adverse Effects (Rare):
Orally: Gastrointestinal adverse effects, such as necrotizing enterocolitis, when recombinant human bile salt-stimulated lipase is used in premature infants.
Gastrointestinal ...Orally, when added to the formula or pasteurized breast milk consumed by premature infants, recombinant human bile salt-stimulated lipase (rhBSSL) can cause gastrointestinal adverse effects, including abdominal distension, flatulence, constipation, colic, abdominal pain, gastroenteritis, vomiting, regurgitation, and rectal bleeding (101940). Premature infants receiving rhBSSL also had a slightly higher rate of necrotizing enterocolitis (NEC) when compared with those receiving placebo. After review by a panel of experts, it was determined that the rate of confirmed or suspected NEC in infants consuming rhBSSL was 3.3%, compared with 0.5% in those receiving placebo. Although this rate of NEC is lower than the historical rate of occurrence in premature infants (11%), a possible increased risk for NEC cannot be ruled out (101940).
General
...Orally, Phaseolus vulgaris extract seems to be well tolerated.
Most Common Adverse Effects:
Orally: Constipation, diarrhea, flatulence, nausea, stomach pain, and vomiting.
Serious Adverse Effects (Rare):
Orally: Hypersensitivity reactions, including anaphylaxis, in sensitive individuals.
Dermatologic ...Topically, Phaseolus vulgaris may cause contact dermatitis in sensitive individuals. A case of occupational contact dermatitis characterized by pruritus, erythema, eczema, and dyspnea has been reported for a 41-year-old farmer who handled the green parts of Phaseolus vulgaris (29920).
Gastrointestinal ...Orally, an extract of the Phaseolus vulgaris variety white kidney bean, as well as alpha-amylase inhibitors isolated from Phaseolus vulgaris, might cause nausea, vomiting, diarrhea, flatulence, constipation, satiety, and stomach pains (11265,18223,29925,104874). Also, white kidney bean extract, taken orally along with carob gum, may cause constipation, flatulence, soft stools, and reduced levels of vitamin B12 and folic acid (10633). Consuming large amounts of raw or undercooked Phaseolus vulgaris beans or extract can cause nausea, vomiting, diarrhea, and gastroenteritis due to the content of phytohaemagglutinin, a plant protein lectin (18223,29916,93082). Cooking usually destroys lectins (18).
Immunologic ...Orally, Phaseolus vulgaris may cause hypersensitivity reactions, including anaphylaxis, in sensitive individuals. A case of severe anaphylactic shock requiring epinephrine and steroid treatment has been reported for a 23-year-old following ingestion of cooked kidney beans, a variety of Phaseolus vulgaris. The causative agents were reported to be phaseolin (vicilin) and phytohaemagglutinin (29918). Also, a case of angioedema resulting from type I hypersensitivity has been reported for a one-year-old child following inhalation of vapors from or ingestion of cooked white beans, another variety of Phaseolus vulgaris (29919).
General
...Orally, proteolytic enzymes are generally well tolerated.
See specific monographs for detailed safety information related to individual proteolytic enzymes.
Most Common Adverse Effects:
Orally: Gastrointestinal upset.
Serious Adverse Effects (Rare):
Topically: Allergic reactions.
Gastrointestinal ...Orally, some patients taking proteolytic enzymes may have gastrointestinal complaints (101517).
Immunologic ...Proteolytic enzymes are commonly found in laundry detergents and pre-spotter products. Rarely, protease specific IgE positive tests possibly related to these products have occurred. Exposure may be airborne or topical (102705). In addition, in case reports, occupational exposure to the airborne proteolytic enzyme pepsin has resulted in allergic rhinoconjunctivitis or asthma (102706,102707).