Is the breast cancer drug tamoxifen being sold as a bodybuilding dietary supplement?

The systematic name for tamoxifen is (Z)-2-(4-(1,2-diphenylbut-1-en-1-yl)phenoxy)-N,N-dimethylethan-1-amine Since the 2000s, a growing number of off-the-shelf "food," "herbal," or "dietary" "supplements"-aimed at gym goers and people wanting to lose weight or enhance their sex lives-have contained pharmacologically active substances. 3 These include anabolic steroids, erectogenics, stimulants, appetite suppressants, and anxiolytics. 3 5 Some of these substances have been withdrawn from use in medicines owing to safety concerns, others have never been tested in humans.Tamoxifen for the management of breast events induced by non-steroidal antiandrogens in patients with prostate cancer: a systematic review.