Peptide Vendor Marketplace
Community-ranked research peptide suppliers. Vote and rate to help others find trusted sources.
Educational Content Only
This is not medical advice. Always consult a licensed healthcare provider before using any compound. No dosing or sourcing guidance is provided.
Listings are for research-chemical suppliers only. Peptide Compass does not sell, endorse, or verify these vendors. "Research peptides" are not FDA-approved for human use. Listings may include paid placements and affiliate links — clearly labeled.
Optimal Peptides
RecommendedResearch-grade peptide supplier with third-party verified purity (≥99%) via Mass Spectrometry and UV analysis. 20+ compounds including BPC-157/TB-500, MOTS-c, Epithalon, and Kisspeptin-10. Controlled lab manufacturing with COA documentation for every batch and temperature-controlled shipping.
Protide Health
FeaturedUS-based research peptide supplier with published 99.53% average batch purity independently verified by HPLC and mass spectrometry. Public batch-level COA library.
Polaris Peptides
CommunityUS-based research peptide supplier offering tirzepatide, semaglutide, and a broad catalog of lab-tested peptides. Emphasizes domestic fulfillment and purity documentation.
Canlab International
CommunityLeading North American peptide provider trusted by researchers for consistent batch-to-batch purity, fast dispatch, and careful packaging.
Biotech Peptides
CommunityUS-synthesized and lyophilized research peptides with third-party testing. Offers custom peptide synthesis of any desired sequence.
Core Peptides
CommunityUSA-made peptides and peptide blends for research. Focused on high-purity single compounds with third-party HPLC testing above 98%.
Verified Peptides
CommunitySource for high-quality, lab-tested research peptides meeting rigorous quality standards for purity, efficacy, and reliability.
Phoenix Pharmaceuticals
CommunityOne of the oldest peptide suppliers in North America, founded in 1969. ISO 9001 certified with thousands of SKUs and custom synthesis capabilities for academic institutions.
GenScript
CommunityComprehensive collection of catalog peptides, amino acid derivatives, beta-amyloid peptides, blocking peptides, and biochemical reagents for research.
Limitless Biotech (Limitless Life Nootropics)
CommunityOffers 90+ research-grade peptides manufactured under GMP protocols with 99% purity specification. Broad nootropic and peptide catalog.
AminoVault
CommunityPremium USA-made research peptides with 99%+ purity. Manufactured in GMP-certified US facilities with batch-level COA transparency.
Pure US Peptide
CommunityFaceted comparison resource and supplier of US research peptides, organized by operational criteria researchers filter on.
rPeptide
CommunityProvides reliable, high-quality recombinant peptides advancing Alzheimer's and neurodegenerative disease research worldwide.
Are You a Peptide Vendor?
Claim your listing to add your logo, verify your details, and unlock Featured placement at the top of the marketplace. Featured and Sponsored tiers are paid placements — clearly labeled so the community knows.
Claim or Upgrade Your Listing