All peptide vendors
19 vetted vendors covered, 0 reviews. Approved affiliate partners appear first, pending applications next, then the rest; each group is ranked by composite score.
Ascension Peptides
US-domestic premium research peptides. Third-party tested with publicly available COAs and a multi-tier affiliate network.
Apollo Peptide Sciences
US-domestic. Third-party HPLC tests on every batch. Strong customer service track record.
Limitless Life Nootropics
Premium pricing, premium quality. Detailed batch documentation, responsive support team.
Particle Peptides
Newer entrant. Aggressive pricing, COAs available on request, growing review base.
Swiss Chems
Wide research compound catalog. Recognizable brand, fast US fulfillment, crypto-friendly.
Sports Technology Labs
Reputation built on transparency. Third-party HPLC + mass-spec on every batch, public reports.
Behemoth Labs
US-domestic with bulk pricing on common peptides. COAs available, broader compound catalog.
EZ Peptides
Catalog-leading US peptide vendor with QR-code linked Certificates of Analysis on every product.
Royal Peptides
USA-based with EU and Canada inventory. 99 percent or higher COA-verified. Supports crypto, PayPal, Zelle, wire, and bank transfer.
Onyx Bio Labs
US-domestic research peptide vendor with WooCommerce catalogue data, public lab-result positioning, and a live affiliate dashboard.
Prime Performance Peptides
US-domestic research peptide vendor with a public affiliate program and Store API catalogue coverage for comparison rows.
Glacier Aminos
US-domestic family-owned peptide vendor with strong customer satisfaction across independent reviews.
Soma Chems
Wide catalog including rare research peptides. Fast US shipping, transparent COAs.
Modern Aminos
Solid for common peptides. Crypto-friendly. HPLC tests on request, not always published.
Pharma Lab Global
International shipping. Lower per-mg pricing, longer shipping times, customs risk for US buyers.
Skye Peptides
Frequently discussed in RUO forums. Broad catalog, established US-domestic shipping.
Researched Peptides
Long-running US vendor. Focused on common research peptides, established review base.
Pharma Grade Australia
Australia-based, ships internationally. Strong AU/NZ presence, longer transit to US.
Blue Sky Peptide
Long-established US-domestic vendor. Wide catalog, third-party tested, customer-service focused.