For men, the drug can cause priapism a painful erection that does not go away and can damage the penis, requiring emergency treatment
Fast-acting peptides show effects within hours, while structural ones need weeks of dosing before changes appear
Weeks 5-6: Increased dose (if medically eligible)
Gastrointestinal effects remain rare, despite BPC-157's gastric origins, with less than 2% of users experiencing mild nausea when taking oral formulations
The compounds have been found in dietary supplements and products marked as "research only", creating exposure risk for athletes who may purchase such products for cognitive benefits without understanding they're consuming prohibited substances with no established safety profile
Stefanou MI, Theodorou A, Malhotra K, et al