DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY
Androstenedione hormone. Molecular model of the structure of the human hormone Androstenedione. Atoms are represented as rods and are colour- coded: carbon (blue), hydrogen (gold), and oxygen (red). Androstenedione is a steroid that is produced in the adrenal glands of both sexes and is a precursor of all the sex hormones. It is sold as a supplement under the brand name Andro but is banned from many sporting events due to athletes abusing it in order to enhance their performances.
Model release not required. Property release not required.