The peptide conversation is shifting. Secretary RFK Jr. recently announced that the FDA plans to move 14 peptides from Category 2 back to Category 1 restoring FDA recognized status and making them KLOW Blend 80mg Koi Peptides Are Peptides coming off of the FDA Category 2 list? A legal breakdown Holt Law Save Peptides Save Peptides The reason peptide access is changing comes down to two regulatory categories most patients don't know exist: 503A and 503B. 503A = traditional compounding pharmacies. State licensed, patient specific prescriptions. 503B = FDA registered outsourcing