As unregulated peptides grow in popularity, doctors warn of unknown risks ABC7 San Francisco 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 FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling FDA Peptide Update: Category 2 Removals Explained What Are Injectable Peptides? Here's Why Doctors Are Worried About the Latest TikTok Wellness Fad. WSJ 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,