Hydroxycitric acid tripotassium hydrate (Potassium citrate monohydrate) is the major active ingredient of Garcinia cambogia and a derivative of citric acid. Hydroxycitric acid tripotassium hydrate competitively inhibits ATP citrate lyase with weight loss benefits. Hydroxycitric acid tripotassium hydrate effective inhibits stones formation and also inhibits HIF, and has antioxidation, anti-inflammation and anti-tumor effects.