BPC 157 and penis growth: what the evidence shows and practical realities Drew Timmermans, ND, RMSK There's a lot of confusion about the difference between BPC 157 arginate and acetate forms, so let's clear that up. The key distinction Instagram BPC 157 and Erectile Dysfunction: What the Evidence Shows and Practical Considerations BPC 157 and Erectile Dysfunction: What the Evidence Shows and Practical Considerations