Live · Independent Price Index · Research Use Only
Find the lowest research peptide price.
The #1 peptide pricing directory. 49 research peptide vendors, 2023 products tracked, every price normalized to $/mg — no scoring, no editorial reviews. The cheapest research peptide tracked is Glutathione at $0.03/mg from Onyx Biolabs.
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Browse by vendor →Prices refreshed 2026-06-14
Prices are what each vendor lists, normalized to $/mg. Pep-Index may earn a commission on outbound “Buy” links — this never affects ranking. For research use only; not for human consumption.
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For research use only. Pep-Index does not test, score, or endorse vendors and makes no health, efficacy, dosing, or safety claims about any compound listed. Products are sold by third-party vendors for research purposes only — not for human consumption.