Extra Strength. Advanced Natural Weight Loss Breakthrough. University Research Suggests that when combined with a calorie-controlled diet and exercise program, Irving Gabonesis may help: Decrease Body Weight Up to 28lbs. Reduced Belly Fat and Waist Size Up to 6 Inches. Increase Metabolism. Control Appetite and Support Insulin Sensitivity. Support Healthy Cholesterol Levels. A 10 week double-blind, placebo-controlled research study from the Institutes of Medicinal Plants Studies in Yaounde, Cameroon produced tremendous results in many key weight loss variables including body weight, body fat and waist size. Participants were divided into 2 groups with the Irvingia gabonensis group producing exciting and statistically significant results. Further enhancing this formula is Green Tea extract which has also been shown in numerous clinical studies to possibly help promote weight loss. This exciting combination may play a very important role in weight and body fat reduction when used in conjunction with a calorie controlled diet and exercise program. African Mango Extract (Irbingia gabonensis extract) (seed). Green Team Decaffeinated Extract (Camellia sinensis extract) (leaf)(standardized to 50% Polyphenols, 15% EGCG, 30% Catechins).