Is the breast cancer drug tamoxifen being sold as a bodybuilding dietary supplement? / Michael Evans-Brown, Andreas Kimergård, Jim McVeigh, Martin Chandler and Simon D Brandt. - (British Medical Journal, 6 (2014), vol. 348 (10-16 February), g1476
Bodybuilders often take tamoxifen to prevent and treat gynaecomastia (breast cancer) caused by use of anabolic steroids. Forums lead to naming a dietary supplement containing tamoxifen. In three of the four selected supplements for analysis confirmed the presence of this substance. Supplements are used for various reasons not always with mentioning the ingredients. This leads to users unaware of what they are taking. Healthcare professionals should have a role in reporting this.
