We searched the CAERS database using the following keywords: “SARM,” “andarine,” “S-4,” “ostarin(e),” “MK-2866,” “ligandrol,” “LGD-4033,” “testolone,” “RAD-140,” and “YK-11.” In summary, the reports not only included cases of liver injury but also blindness or a visual impairment, cerebrovascular accidents, paresthesia, abnormal hormone levels, testicular disorders, gynecomastia, increased blood prolactin, sexual dysfunction, altered mood, and a single fatal case of cardiac death [54]. This evidence concerns the gene PRL and Gynecomastia.