BPC 157 No Proof Required! Office for Science and Society McGill University Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you BPC 157 500mcg (60 capsules) Paragon Pharmatech BPC 157 TB 500 Crescent Chems Research Peptides like BPC 157 are everywhere on social media right now. They are most commonly promoted for injury and tendon healing and are often paired with other peptides such as TB 500.