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Chitosan for 6 months does not cause weight loss
Wednesday, August 18, 2004 9:30 am Email this article
People given three grams of chitosan per day for six months lost an average of 0.9 pounds compared to a weight gain of 0.4 pounds for those given a placebo according to a new study from New Zealand. This difference was not statistically significant.
“In this 24-week trial, chitosan treatment did not result in a clinically significant loss of body weight compared with placebo,” the authors of the study concluded.
This is similar to other studies with chitosan.
The study included 250 people, 82 percent of which were women, with an average body mass index (BMI) of 35.5 and an average age of 48 years.
Mhurchu C, Poppitt S, Mcgill A, Leahy F, Bennett D, Lin R, Ormrod D, Ward L, Strik C, Rodgers A. The effect of the dietary supplement, chitosan, on body weight: a randomised controlled trial in 250 overweight and obese adults. Int J Obes Relat Metab Disord. 2004 Sep, 28(9):1149-56.
AUTHOR’S CONTACT INFORMATION
Clinical Trials Research Unit
University of Auckland
Auckland, New Zealand
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On Aug 20, 2004 at 12:39 am Dr. Lu Jason wrote:
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IF WE INCREASE THE DOSE OF CHITOSAN TO ABOUT 9GRAM OR 12GRAM , MAYBE CHANGE THE RESULT.
2004.8.20 Dr. LU JASON (FROM TAIWAN.ROC)
On Aug 21, 2004 at 9:15 am Larry Hobbs wrote:
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Dr. Lu Jason,
Most of the research I have seen suggests that chitosan is not effective, regardless of the dose.
Sellers of the product claim that it reduces fat absorption, but that is not what the research shows.
One study found that 2 grams of chitosan per day increased fat absorption by only 10 calories per day.
Another study found that 3 grams of chitosan per day increased fat absorption by only 3 calories per day.
The research suggests to me that a fiber such as glucomannan or guar gum are more effective at causing weight loss than chitosan.
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