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 Injectable Peptides: Out of the Back Alley and Into the Light? Berkley Lifesciences BPC TB 5 Beverly Hills Rejuvenation Center 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,