Where to Buy Semax
A guide to finding reputable sources for Semax. Always verify purity and check for Certificates of Analysis (COAs).
Important Disclaimer
Peptides are sold for research purposes only and are not approved by the FDA for human consumption. The information provided here is for educational purposes. Always verify the legal status of peptides in your jurisdiction before purchasing.
What to Look for in a Peptide Vendor
Third-Party Testing
Look for vendors that provide independent lab testing results for purity and identity.
Certificate of Analysis
A COA should be available for each batch, showing purity levels (ideally 98%+).
Reputation
Research vendor reviews and community feedback before purchasing.
Proper Storage
Quality vendors ship peptides properly stored and packaged to maintain stability.
Vendors Selling Semax
US-based vendor with third-party HPLC testing and published COAs. One of the few reputable sources we've verified for research-grade peptides.
Swiss Chems
Finnrick CBiotech Peptides
US-based vendor with a large catalog of single peptides, blends, and topicals. Claims 99% purity and US synthesis. No third-party COA documentation publicly available. Not currently rated by Finnrick.
Finnrick grades are based on independent HPLC lab testing. Learn more · Finnrick is a commercial service — ratings are third-party, not independent.
Understanding Peptide Purity
Peptide purity is typically expressed as a percentage. For research purposes, most users look for peptides with 98% or higher purity. The purity level indicates what percentage of the product is the actual peptide versus impurities or synthesis byproducts.
HPLC (High-Performance Liquid Chromatography) is the standard method for testing peptide purity. A proper COA should include HPLC results along with mass spectrometry data to confirm the identity of the peptide.