MetaSlim Garcinia Cambogia from webber naturals is standardized to contain 60% hydroxycitric acid (HCA), a compound that has been shown to control appetite, combat cravings, and help reduce the storage of calories as body fat, thereby encouraging healthy and sustainable weight management. Standardized to 60% hydroxycitric acid (HCA). HCA inhibits the enzyme that turns carbohydrates into fats and sugars. Suppresses appetite and controls cravings. Clinically studied weight management supplement.