) is a substance found in tropical plants, such as Garcinia cambogia
. In the past, it was often used as a remedy for rheumatism and parasitic infections. However, it is now gaining popularity as an ingredient in weight loss supplements.
Does it really work? Most of the research on using hydroxycitric acid for weight loss has been done on animals, so it's difficult to know if this substance has the same effects in humans.
(Click What Is Hydroxycitric Acid Used For? for more information on taking HCA tablets for weight loss. This article also explores the risks of giving these supplements to children.)