7-Keto is marketed as a dietary supplement with the implication that it may accelerate weight loss, increase metabolism, Gedächtnis verbessern, or prevent age-related changes. When used in a topical (skin lotion) product 7-Keto caused long-lasting changes in the body’s levels of estradiol, and other steroid hormones. Researchers have raised concern that supplements may trigger positive tests for performance-enhancing drugs.