The science behind the peptide craze Scientific American How Long Does BPC 157 Take To Work Peptide Therapy for Pain Management and Healing Core Medical & Wellness BPC 157: Tendon Repair and More Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do They Call It the 'Wolverine Peptide.' And Everyone from Biohackers to Your Dad Wants It Now.