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All editionsMethodologyUpdated · April 2026
Affiliate disclosures · per-vendor

Affiliate disclosures.
Editorial impact: none.

We earn a commission when readers click through to certain vendors. The composite score is decided by the methodology before any affiliate consideration. Click-out URLs use rel="sponsored nofollow noopener" so the relationship is machine-readable.

Vendors we earn from
VendorCommissionCookie windowEditorial impact
Polar PeptidesVID-POLAR-PE10% per sale30 daysNone — score decided pre-commercial
Particle PeptidesVID-PARTICLE15% first order, 10% repeat365 daysNone — score decided pre-commercial
SwissChemsVID-SWISSCHE20% per saleNone — score decided pre-commercial
No affiliate · listed for completeness
  • Peptide Warehouseno affiliate
  • QSC Peptidesno affiliate
  • Chinese Peptide Companyno affiliate