Army O-6 and new friend of Pararescue gave a great talk at SOMA '16. Col G discusses the history of anabolic androgenic steroid use and criminalization, benefits, risks and paucity of data. They are ILLEGAL- do not use them. There are also adverse cognitive effects incompatible with elite operations. These are the personal views of the discussants, not the DOD or USG.
Doc Cap is an Army hematologist and reviews bleeding, clotting and shock for the Operational PJ, Medic , Corpsman in the best discussion I have heard on it, emphasizing the latest research, history of our approach, and important comments on TXA.