DIHEXA A Major Shift in Peptide Regulation Is Underway The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York Dihexa Peptide: Unlocking Brain Repair, Focus, and Memory Revolution Health & Wellness Rhodium catalyzed enantioselective and diastereodivergent access to diaxially chiral heterocycles Nature Communications