Research peptide vials on a laboratory bench

99%+ tested purity

Research peptides, precisely measured.

99Peps supplies laboratory-grade compounds with transparent third-party analysis and discreet, tracked delivery.For research use only.

Browse catalog How we test

99%+ tested purity
Third-party analysis
Discreet, tracked delivery

COA verifiedEvery batch, third-party tested

99%+Tested purityHPLC-verified on every batch

3rd-partyIndependent analysisCertificate of analysis on file

96+Research compoundsCurated, single-source catalog

Cold-chainLyophilized & sealedStability-preserving handling

A gloved researcher inspecting a peptide sample in the lab

89%

of surveyed research peptides are mislabeled or underdosed. Ours aren't — and we show the paperwork.

Transparency

Purity you can verify — not just claim.

The research peptide market runs on trust and too often abuses it. We take the opposite approach: independent testing on every batch, documented and available on request.

HPLC & mass-spec verified
Identity and purity confirmed by high-performance liquid chromatography and mass spectrometry.
Per-batch certificate of analysis
Every lot ships against an independent, third-party COA — no shared or reused reports.
Precisely measured fills
Lyophilized, sealed and dosed to spec so your research starts from a known quantity.

Read our testing FAQ

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