Which peptide is best for wellness: TB 4 frag or BPC 157? Have you thought about taking peptides that aren't approved by the FDA? Think again. CBS News' chief medical correspondent, @drlapook, shares a cautionary tale from medical history about why testing medications is Is BPC 157 Banned? Oral vs. Injectable Forms Explained Peptides for Recovery: TB500 vs BPC 157 vs Copper 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 Oral vs Injectable BPC 157: Differences, Benefits, and When to Use Eac Revolution Health & Wellness