Testosterone, epitestosterone and the doping tests

The situation of Tour winner Floyd Landis has focused attention on testing for testosterone.

The situation of Tour winner Floyd Landis has focused attention on testing for testosterone. (Image credit: Sirotti)

The standards of testing necessary to find an athlete guilty of doping with testosterone are among the most complex in anti-doping science because testosterone is a naturally-occurring hormone. Cyclingnews fitness panelist Dr Pam Hinton, assistant professor of Nutritional Sciences at the University of Missouri-Columbia, looks at the science of detecting testosterone use.