Banned under WADA rules, MGF is also illegal to possess in many countries without a prescription.

-- Other substances

The ACC report also identified a number of other performance-enhancing substances -- some being prescription only medicines:

Ipamorelin and Sermorelin -- both peptides with anabolic effects, which are both prohibited by WADA.

Follistatin -- Promotes muscle growth. Banned by WADA, with its possession without legal authority is illegal.

Thymosin -- Used to speed up recovery from injury, it is an unregulated substance banned by WADA.