SARMS appeared in scientific papers beginning in 1998. They were discovered in the course of research into cancer and osteoporosis. SARMS is the acronym for « selective androgen receptor modulators ». In other words, SARMS are moderators which can trigger androgen receptors in tissues. What makes SARMS attractive is their capacity for selective triggering. As well as triggering them, they can also block androgen receptors. Between the two, the offer the potential to provide the benefits of steroids while minimizing the risks of secondary effects.