TOP SECRET SUPER F.A.S. LEAN is a new generation of diet supplementation that supports weight loss via a 4 pronged attack targeting: appetite, fat burning, fat storage, and increased metabolism. Super F.A.S. Lean is our regular F.A.S. Lean product with caffeine. TOP SECRET SUPER F.A.S. LEAN utilizes an advanced fat loss and appetite control technology based on the theory that inhibiting fatty acid synthase encourages weight loss.* Animal studies suggest that inhibition of fatty acid synthase may be related to reduced food intake, inhibited fat storage(lipogenesis) and weight reduction.* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.