Taking chitosan supplements for 24 weeks may lead to a tiny weight loss compared to a placebo, but this difference is too small to be meaningful for health.

Pro

Against

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The effect of the dietary supplement, Chitosan, on body weight: a randomised controlled trial in 250 overweight and obese adults

Randomized Controlled Trial

Human

2004 Sep

Community contributions welcome

No contradicting evidence found

Chitosan doesn't lead to meaningful weight loss in overweight or obese adults over 24 weeks.

93%

Chitosan didn't affect other health measures like body fat, blood pressure, or quality of life compared to a placebo.

92%

Chitosan might cause small changes in cholesterol and blood sugar levels, but the study didn't say if they went up or down.

78%