Peptides are often well tolerated, but they can still cause temporary reactions while the body adapts. Some commonly reported effects include: BPC 157 headaches, nausea, increased appetite TB 500 Exercise Based Rehabilitation & Strength Training Poseidon Performance Dartmouth The Role of Peptides in Bone Healing and Regeneration (CGRP, OGP, BPC 157) UnderstandOrtho People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian Is BPC157 Legal? WADA, FDA Status, and What You Need to Know BPC 157: Experimental Peptide Creates Risk for Athletes