William Llewellyn and Ronny Tober recently tested 14 anabolic steroid products from various underground labs (UGLs) for toxic heavy metals and quantification of steroid dosing. Twenty-one percent of the steroid products were contaminated with lead, tin, mercury, and/or arsenic; 64% were significantly underdosed or overdosed. Most notably, the names of the UGLs that failed the quality control were not disclosed
Identities of Underground Labs with Contaminated and Underdosed Products Revealed
William Llewellyn and Ronny Tuber recently tested 14 anabolic steroid products from various underground labs (UGLs) for toxic heavy metals and
thinksteroids.com