FDA Peptide Update: Category 2 Removals Explained Public Meeting: FDA Rare Disease Day 2026 02 23 2026 FDA What is dihexa, its mechanism of action via the HGF c Met pathway, and its safety and clinical use? DIHEXA PEPTIDE 10MG VIAL UMBRELLA Labs FDA Category 2 Update: The 5 Peptides Still Facing Heavy Review As excitement builds around peptides potentially moving off the FDA Category 2 list, it's important to understand one key reality: Not