Many have heard of BPC 157, and some people have heard of TB 500. The both of these are considered "healing peptides" however they have very different uses and can also be used in Amazon.com: The Peptide Therapy Protocols Bible: Ultimate Guide to BPC 157, TB 500 & Essential Peptides Evidence Based Handbook for Weight Loss, Muscle Growth, Anti Aging & Performance Optimization: 9798346671183: Harrison, Alexander Z.: Books Revolutionizing Recovery: How Dr. Lundquist is Using BPC 157, TB 500, and Regenerative Therapies to Accelerate Healing Active Life Pain Center Peptide Therapy Exclusive Med Aesthetics