BPC 157: The Real Reason Why It's Not FDA Approved Stracuzzi Wellness RFK Jr. and the Perils of Peptides Washington Monthly When people ask how long they should take peptides, the truth is that it depends entirely on your goals. Different peptides serve different purposes. Injury healing peptides like BPC 157 are often 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 BPC 157 and TB 500: Injury Healing Peptides Jonathan L. Glashow posted on the topic LinkedIn