LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Androstenedione hormone molecule. Computer model showing the structure of a molecule of the steroid hormone, dietary supplement and banned drug androstenedione (C19.H26.O2). Atoms are represented as colour-coded spheres (carbon: dark grey, hydrogen: light grey, oxygen: red) with the bonds between them as sticks. It is sold under the brand name Andro. This hormone is produced in the adrenal glands and is the precursor to the male and female sex hormones. It is used illegally by athletes seeking to enhance their sporting performances.
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