Purity Testing: We prioritize vendors who provide third-party Certificates of Analysis (COAs) with HPLC and mass spectrometry results.
Reputation: Community feedback from Reddit, forums, and verified purchase reviews.
Shipping: Speed, discretion, and tracking availability.
Customer Service: Response times and issue resolution.
Selection: Range of peptides available and stock consistency.
Tips for First-Time Buyers
Always check the COA - Reputable vendors provide batch-specific testing results.
Start with established peptides - BPC-157 and TB-500 are well-documented.
Order supplies separately - Get bacteriostatic water and syringes from medical suppliers.
Research proper storage - Most peptides need refrigeration after reconstitution.
Use our calculator - PepDose helps you get dosing right.
⚠️ Research Purposes Only: All peptides listed are sold for research and educational purposes only. They are not intended for human consumption. This page contains affiliate links - we may earn a commission on purchases, which helps support free tools like our peptide calculator.