Scared of needles? What science says about the peptide nasal sprays on the rise AOL Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body. The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Wolverine Nasal Spray 10 mg (BPC 157 5 mg + TB 500 5 mg) Wolverine Nasal Spray Canada 10 mg (BPC 157 5 mg + TB 500 5 mg): Ultra Pure Peptide Blend for Regeneration & Tissue Repair Research