[PeterisP]

Because we can try to test for the difference between "mild" and "none", and the risk of disqualification does motivate many athletes to stop at none.

[willcipriano]

I would dose based on testosterone levels, if they took steroids out of program that would show in the blood work and the dose adjusted to zero, after that you test for the now prohibited steroid use.

The goal isn't to get them to a superhuman level, just to level the best genetics produce.