Hydroxycitric Acid — answers to HCA, from Garcinia cambogia
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An organic acid extracted from the rind of the Garcinia cambogia fruit, chemically similar to citric acid.
Why it’s used
Taken by some as an appetite suppressant or aid to weight loss, often marketed as blocking fat storage.
What the evidence is for
modest short-term weight loss.
What the evidence says
A systematic review and meta-analysis of randomized controlled trials found that Garcinia/HCA produced a small amount of short-term weight loss compared with placebo, but the effect size was modest and of uncertain clinical significance, and study quality was generally poor.
Dose studied
1–2.8 g — daily HCA doses used in randomized controlled weight-loss trials.
Context
Trials included in the meta-analysis generally used daily hydroxycitric acid doses in roughly the 1 to 2.8 gram range, over periods of a few weeks to a few months.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.