Independent peptide testing · by Sapho Bio
What's really in your peptide? Tested, then published.
Sapho Bio runs independent lab tests on the research peptides people actually buy, and publishes every result. Free testing for US individuals covers identity, purity, quantity and endotoxin.
For individuals
Community testing: free
Create an account, tell us about your vial, and we review your request. If approved, ship it to our lab. Results are public under the vendor's name; COA in 2–5 days after it arrives at our lab.
Request a free test ↗For brands, manufacturers & pharmacies
Professional testing
Confidential batch testing and COAs for your products from Sapho's in-house lab, with sterility and endotoxin results in days.
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Top vendors by peptide
Vendor rankings will appear here once results are published.