Frequently Asked Questions

Peptides are short chains of amino acids (typically 2-50) linked by peptide bonds. They act as signaling molecules in biological systems, directing cellular processes from hormone production to tissue repair. The human body naturally produces over 7,000 peptides. Learn more in our comprehensive guide: What Are Peptides?

COA-verified means a product is accompanied by a Certificate of Analysis from an independent third-party laboratory confirming identity, purity, and quality specifications. We don’t manufacture or test; we prioritize retailers that provide batch-specific COA documentation with every order.

We don’t process orders. Shipping and free-shipping thresholds are set by the retailers we link to. Check each retailer’s site for current shipping policy.

Add bacteriostatic water to the lyophilized peptide vial by slowly running the water down the inside wall. Gently swirl — never shake. Use our free peptide calculator for exact volumes and concentrations. Read our complete reconstitution guide for step-by-step laboratory instructions.