What Are Injectable Peptides? Here's Why Doctors Are Worried About the Latest TikTok Wellness Fad. WSJ Big FDA review coming this July. Here's what athletes and patients should know about BPC 157, TB 500, and the broader peptide conversation. Always speak with your physician before starting any new protocol. #bpc157 # Q&A: Should you trust trending peptide injections? Peptides are everywhere right now but heres the part most people miss:, Not all peptides are FDA approved., FDA regulated: insulin, GLP 1 medications, certain hormone peptides, Not RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals