All peptides are available — not all are listed publicly. Contact info@covalentbio.ca

Research peptides are biologically sensitive. For everyone's safety, our return policy is strict.

What we accept

  • Damaged in transit: Photograph and contact us within 7 days.
  • Wrong item shipped: Keep unopened until we provide instructions.
  • Quality discrepancy: Independent lab report showing CoA spec failure.

What we cannot accept

  • Opened or reconstituted vials.
  • Products purchased > 30 days ago.
  • Change of mind.