Effective Dosage: At doses of 2-4 g per day, Glucomannan was well-tolerated and resulted in significant weight loss in overweight and obese individuals (Altern Ther Health Med. 2005 Nov-Dec;11(6):30-4.). Typical dosage recommendations for glucomannan are 1 gram consumed with at least 8 ounces of water approximately one hour prior to a meal (can be repeated 3-4 times per day at each meal). If combined with other fibers, follow the directions on the specific product because different fiber products may have different dosage/use recommendations.
Glucomannan (GM) is a polysaccharide (long chains of simple sugars, primarily mannose and glucose) that is classified as a soluble fiber. Because glucomannan can absorb up to 200 times its weight in water, it has been used as a dietary supplement to promote weight loss (via increasing feelings of fullness). Glucomannan is derived from several plants, but the primary source is an Asian plant called Konjac.
As a diet pill supplement, glucomannan is sometimes combined with other fibers, such as chitosan, to increase the fat-binding effects and feelings of fullness – both of which may be effective in promoting weight loss and weight maintenance as well as for controlling mildly elevated cholesterol and blood sugar levels.
These statements about Glucomannan have not been evaluated by the Food and Drug Administration. Glucomannan is not intended to diagnose, treat, cure, or prevent any disease.
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