Opinions like Rogol’s are one reason the FDA and anti-doping agencies haven’t yet taken steps to ban deer antler products that contain IGF-1. To recap: IGF-1 is a banned performance enhancer.

Report: Players warned over deer spray ESPN.com news services Aug 6, 2011, 08:52 AM ET ...

The deer-antler spray being sold by S.W.A.T.S. (Sports with Alternatives to Steroids), and Lewis allegedly used a product harvested from the antlers of New Zealand deer. Studies have shown that ...