Clinically shown to suppress appetite, inhibit fat production, and reduce the caloric impact of starch rich foods, without stimulating the central nervous system. They work together to inhibit the enzymes that convert carbohydrates into fat and the digestive enzyme alpha amylase before it can covert starch into glucose and then fat. Suggested Usage: For best results, take 4 capsules approximately 30 minutes before meals, especially starch rich meals or snacks. (120 capsule bottle)