*Average weight loss with key ingredients in Pro Clinical Hydroxycut® (lady's mantle, wild olive, komijn, wild mint) was 20.94 lbs. in a 12-week study and 16.50 lbs. in an 8-week study.All groups followed a calorie-reduced diet.
Hydroxycut Hardcore® uses a different key weight loss ingredient (green coffee extract). Subjects using green coffee extract for 60 days with a low-calorie diet lost 10.95 lbs. In a seperate 8-week study, subjects using the same key ingredient lost 3.7 lbs. with a calorie-reduced diet and moderate exercise.