Wholesale Suppliers

Bulk peptide suppliers specializing in large-volume institutional and commercial sourcing. Wholesale peptide suppliers offer volume-based pricing tiers, typically with decreasing per-unit costs at higher quantity brackets from gram-scale to multikilogram lots. Wholesale supply agreements commonly include defined batch size specifications, quality testing protocols, shipment scheduling, and retest date commitments. Bulk peptide wholesalers serve compounding pharmacies outsourcing API procurement, research institutions with high-volume rodent study requirements, and pharmaceutical companies requiring GMP starting materials for drug development programs. FDA import alert activity in 2025-2026 has particularly impacted bulk peptide imports from foreign manufacturers, making wholesaler due diligence on upstream manufacturing sources increasingly important. Showing 68 listed suppliers matching this quality signal.

Directory listing last reviewed October 2026.

AminoVault logo

AminoVault

USA • Research Supplier

COA3rd PartyGMP
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Cernum Biosciences logo

Cernum Biosciences

USA • Research Supplier

COA3rd Party
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Peptide Partners logo

Peptide Partners

USA • Research Supplier

COA3rd Party
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Soma Peptides logo

Soma Peptides

USA • Research Supplier

COA3rd PartyGMP
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PeakForm Peptides logo

PeakForm Peptides

USA • Research Supplier

COA3rd PartyGMP
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Sports Technology Labs logo

Sports Technology Labs

USA • Research Supplier

COA3rd Party
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VivePeptides logo

VivePeptides

USA • Research Supplier

COA3rd Party
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NuRev Peptides logo

NuRev Peptides

USA • Wholesale

COA3rd PartyGMP
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Trusted Peptides logo

Trusted Peptides

USA • Research Supplier

COA3rd PartyGMP
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Peptides Source logo

Peptides Source

USA • Research Supplier

COA3rd PartyGMP
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PeptideHQ logo

PeptideHQ

USA / Global • Wholesale

GMPISOCOA
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Wholesale Peptide logo

Wholesale Peptide

USA • Wholesale

COA3rd Party
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Purity Peptides logo

Purity Peptides

USA • Research Supplier

COA3rd Party
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Bulk Peptide Supply logo

Bulk Peptide Supply

USA • Wholesale

COA
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Royal Peptides logo

Royal Peptides

USA / Canada • Research Supplier

COA3rd PartyGMP
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Scientific Aminos logo

Scientific Aminos

USA • Wholesale

COAGMP
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Evolve Peptides logo

Evolve Peptides

USA (WY) • Retail Research Peptides

3rd PartyCOA
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Ion Peptide logo

Ion Peptide

USA • Research Supplier

COA3rd Party
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Zen Labs Wholesale logo

Zen Labs Wholesale

USA (Atlanta, GA) • Research Supplier

COA3rd PartyGMP
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Licensed Peptides Wholesale logo

Licensed Peptides Wholesale

USA • Research Supplier

COA3rd PartyGMP
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OROS Research logo

OROS Research

USA (CA) • Research Supplier

COA3rd PartyGMP
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PurePeptide Labs logo

PurePeptide Labs

USA / Global • CDMO

COAGMP3rd Party
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KareBay Biochem logo

KareBay Biochem

USA (NJ) • CDMO

COAGMP3rd Party
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Unrivaled Peptides logo

Unrivaled Peptides

USA • Research Supplier

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LiveWell Peptides logo

LiveWell Peptides

USA • Research Supplier

COA3rd PartyGMP
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Peptidology logo

Peptidology

USA • Research Supplier

3rd PartyCOA
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Apollo Peptide Sciences logo

Apollo Peptide Sciences

USA • Research Supplier

COA3rd Party
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Ascension Peptides logo

Ascension Peptides

USA • Research Supplier

COA3rd Party
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AnaSpec logo

AnaSpec

USA (California) • Research Supplier

GMPISOCOA
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Hydro Research logo

Hydro Research

USA • Wholesale

COA3rd PartyGMP
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Oneday Compounds logo

Oneday Compounds

USA (Utah) • Wholesale

COA3rd PartyGMP
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AMC Essentials logo

AMC Essentials

USA • Wholesale

COA3rd PartyISO
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Modern Aminos logo

Modern Aminos

USA • Wholesale

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Oasis Labs logo

Oasis Labs

USA (Nevada) • Wholesale

COA3rd PartyGMP
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EZ Peptides logo

EZ Peptides

USA (NM) • Wholesale

COA3rd Party
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Southern Aminos logo

Southern Aminos

USA (CA) • Chemical Supplier

3rd PartyCOA
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LA Peptides logo

LA Peptides

USA • Wholesale

COA3rd Party
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Bulkpeptides logo

Bulkpeptides

USA • Wholesale

3rd PartyCOA
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Peptides Lab UAE logo

Peptides Lab UAE

UAE / UK • Research Supplier

COA3rd Party
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Pinnacle Peptides logo

Pinnacle Peptides

USA (Panama operations) • Bulk Wholesale

COA3rd Party
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Sichuan Pengting Technology Co., Ltd. logo

Sichuan Pengting Technology Co., Ltd.

China (Sichuan) • Bulk Wholesale

GMPISOCOA
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Vitaconin Biotechnology logo

Vitaconin Biotechnology

China • Bulk Wholesale

COA
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BuyDeus / Deus Medical logo

BuyDeus / Deus Medical

India / Europe • Bulk Wholesale

3rd Party
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Direct Peptides logo

Direct Peptides

United Kingdom • Bulk Wholesale

COA3rd Party
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Nexaph logo

Nexaph

USA • Bulk Wholesale

3rd Party
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GenX Peptides logo

GenX Peptides

USA • Research Supplier

COA3rd Party
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Blue Sky Peptide logo

Blue Sky Peptide

USA • Research Supplier

3rd Party
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Geo Peptides logo

Geo Peptides

USA (Florida) • Research Supplier

3rd Party
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Wholesale Peptide Supply logo

Wholesale Peptide Supply

USA (Costa Mesa, CA) • Wholesale

3rd Party
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Aries Peptide Research logo

Aries Peptide Research

United States • Research Supplier

COA
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Darmerica logo

Darmerica

USA (FL) • Wholesale

GMPcGMPCOA
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Epitagen logo

Epitagen

Global (China-sourced) • Wholesale

COA
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99 Purity Wholesale logo

99 Purity Wholesale

USA • Wholesale

COA3rd Party
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Spartan Peptides Wholesale logo

Spartan Peptides Wholesale

USA • Wholesale

3rd Party
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Wholesale Peptides Company logo

Wholesale Peptides Company

USA (Los Angeles, CA) • Wholesale

COA3rd Party
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Peak Lab Peptides logo

Peak Lab Peptides

USA (Watertown, SD) • Wholesale

3rd PartyCOA
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Pepti logo

Pepti

China • Bulk Wholesale

COA
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Bulk Peptide Wholesale logo

Bulk Peptide Wholesale

USA (Oklahoma City, OK) • Wholesale

COA
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Iso Peps logo

Iso Peps

United Kingdom • Research Supplier

3rd PartyCOA
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Volta Peptides logo

Volta Peptides

Canada / USA • Research Supplier

3rd PartyCOA
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Lyze Labs logo

Lyze Labs

China • Bulk Wholesale

COA3rd Party
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enobio logo

enobio

China • CDMO

3rd PartyCOAGMP
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Kingston Peptides logo

Kingston Peptides

United Kingdom • Research Supplier

3rd PartyCOA
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ANKR Lab logo

ANKR Lab

United States • Retail Research Peptides

3rd PartyCOA
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IsoPure Peptides logo

IsoPure Peptides

United States • Research Supplier

COA
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Hangzhou Sigmatech Peptide Ltd logo

Hangzhou Sigmatech Peptide Ltd

China • Research Supplier

3rd PartyCOA
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Primus Sciences logo

Primus Sciences

United States • Research Supplier

3rd PartyCOA
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XIWU Labs logo

XIWU Labs

China (Shenzhen) • Research Supplier

COA3rd Party
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