BPC 157 Erectile Dysfunction Study: What the Evidence Actually Shows BPC 157 Ligament: 1 Unsafe Truth Are Peptides Safe? What Older Adults Need to Know Everyone online is suddenly injecting peptides. But almost nobody understands the scienceor the regulation. The FDA recently shifted several peptides off the Category 2 safety risk list tied to compounding rules. First, that Peptides take off as a DIY treatment but is that a good idea? : NPR