Dietary Supplement. Definition. Improved form of DHEA. The Science Behind the Size - Product: An improved more potent form of DHEA (Dehydroepiandrosterone). Result: May improve lean body mass and fat metabolism. Science: Science shows that 7-Keto may decrease body fat and weight. Unlike DHEA, 7-Keto accomplishes this without converting to androgens. (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.)