The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule Hype FDA's Overreach on Compounded Peptides Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling