Cristcot's ngHCA Ulcerative Colitis Treatment Gets FDA Approval Cristcot posted on the topic LinkedIn The FDA has issued warning letters to multiple companies marketing compounded Retatrutide, an investigational drug from Eli Lilly still in Phase II trials. While early studies have shown promising weight loss results, Retatrutide Indictment of Osteopathic Physician Signals Shift in Peptide Enforcement Stevens & Lee FDA Moves to Reevaluate Several Peptides American Med Spa Association Peptides are unproven as health aids. FDA may unleash them anyway