This 12-week randomized, double-blind, placebo-controlled trial evaluated the efficacy of Garcinia cambogia extract containing 1500 mg/day of hydroxycitric acid (HCA) in 135 overweight adults (mean BMI ~32 kg/m²). All participants followed a high-fiber, low-energy diet. Both the HCA and placebo groups experienced significant weight loss over the study period; however,
