FDA Announces Change in Status of 12 Peptides SSRP Institute The Peptide Craze Ground Truths The FDA's Category 2 list restricted 19 peptides from compounding. Now, approximately 14 of them may be coming back. HHS has signaled that peptides previously barred from compounding spanning categories like A federal review is underway that could reclassify 14 peptides into FDA Category 1. This change that may influence how peptide therapies are accessed in the U.S. Here's what experts are