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GlucomannanThe information presented in Aisle7® is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2011.

Also indexed as:Amorphophallus konjac, Fiber (Glucomannan), Konjac Root

This supplement has been used in connection with the following health conditions:

Used for AmountWhy
Constipation
3 to 4 grams daily in water, followed by a second glass of water3 stars[3 stars] Glucomannan is a water-soluble dietary fiber that has shown to be effective as a bulk-forming laxative.
High Cholesterol
4 to 13 grams daily3 stars[3 stars] Glucomannan is a water-soluble dietary fiber that has been shown to significantly reduce total blood cholesterol, LDL cholesterol, and triglycerides, and to raise HDL cholesterol.
Insulin Resistance Syndrome
8 to 13 grams daily3 stars[3 stars] Taking a glucomannan fiber supplement may improve blood cholesterol and blood sugar.
Type 2 Diabetes
500 to 700 mg per 100 calories in the diet3 stars[3 stars] Glucomannan delays stomach emptying, leading to more gradual sugar absorption and lower blood sugar levels after meals.
Childhood Obesity
2 to 3 grams daily2 stars[2 stars] Glucomannan, a type of fiber, dilutes calories, slows down the eating process, and may make people feel more full despite eating fewer calories.
Obesity
Adults: 3 to 4 grams daily; adolescents: 2 to 3 grams daily2 stars[2 stars] Supplementing with glucomannan, a bulking agent, has promoted weight loss in overweight adults.
Diverticular Disease
Refer to label instructions 1 star[1 star] Glucomannan is a water-soluble dietary fiber. One study found that people with diverticular disease had reduced symptoms after taking glucommanan.
Hypoglycemia
Refer to label instructions 1 star[1 star] Glucomannan is a water-soluble dietary fiber. In one trial, adding glucomannan to a meal prevented hypoglycemia in adults with previous stomach surgery.
Type 1 Diabetes
Refer to label instructions 1 star[1 star] Glucomannan delays stomach emptying, leading to more gradual sugar absorption and possibly lowering insulin requirements for people with type 1 diabetes.

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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2014.