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.
🔬 Research-Grade Peptides
Swiss Chems — third-party HPLC tested with published COAs. One of the most established research peptide vendors.
This page is for educational and informational purposes only. It is not medical advice. Always consult with a qualified healthcare provider before starting any supplement or medication. Data sourced from published peer-reviewed research. HighPeptides may receive affiliate compensation from linked vendors.