How to relieve shoulder pain? Steroid injections are often used to treat shoulder pain caused by inflammation like bursitis, tendonitis, or rotator cuff irritation. The medication is injected Peptides like BPC 157, TB 500, and growth hormone secretagogues are increasingly marketed for recovery and injury healing., But what does the science actually say?, Most evidence comes from animal Q&A: Should you trust trending peptide injections? Prolotherapy for AC Separation: Non Surgical Shoulder Treatment Revolution Health & Wellness BPC 157 Benefits, Dosage & Before After Results