Best Testagen Vendors in 2026
BioregulatorRanked by Finnrick trust score, purity testing, and price.
Peptide Sciences is our #1 pick for Testagen, with a Finnrick trust score of 6.6/10. Across 12 tracked vendors, prices range from $35.00 to $89.00. Rankings combine independent purity testing data, vendor trust scores, pricing, and stock availability. We never accept payment for placement.
- Cheapest per mg
- $2.75/mgat Verified Peptides
- Highest trust score
- Eros Peptides(6.9/10)
- In stock now
- 9 products across 12 vendors
- Last verified
- Aug 8, 2026
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How we rank vendors
Our composite score weighs Finnrick blind-testing trust scores (62%), price competitiveness (25%), and stock availability (13%). Vendors without Finnrick data are sorted by price below scored vendors. We never accept payment for rankings. Learn more.
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Last updated: August 8, 2026