fda warning peptides bpc-157 bpc 157 status fda unapproved peptide products tb-500 BPC-157 TB The Unregulated World of Peptides:

Individuals Taking Certain Medications Medications such as proton pump inhibitors (PPIs), metformin, and certain antibiotics may interfere with B12 absorption (Journal of Clinical Medicine)

Growth hormone and growth hormone secretagogue effects on nitrogen balance and urea synthesis in steroid treated rats

Tendon and ligament injuries, which typically suffer from slow healing due to limited blood supply, may particularly benefit from this peptides ability to enhance fibroblast activity and collateral blood vessel formation

This means that any claims about its benefits for treating musculoskeletal injuries are not backed by the robust evidence required for FDA approval