Therapeutic Androstenedione

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** A potent androgenic prohormone that is a direct precursor of testosterone and used as a supplement to increase plasma testosterone levels and muscle anabolism. (NCI)

**Synonyms:** - 4-Androstene-3,17-dione - ANDROSTENEDIONE - Delta-4-Androstenedione