Koi Research Labs LLC
US basedUnited States
3.8 Trustpilot(30)27 products · Ships to 31 countries
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
We may earn a commission. How this works
Directory · Curated list · serving the US · 369 suppliers
Recently added suppliers serving the US
Suppliers we started tracking in the last 90 days. Their scores can move while our research is completed. Showing stores based in or shipping to the US, those based there first. Show all regions.
Index updated 8 Nov 2026 · 11 verified · 283 state third-party testing · 275 with a COA page
- 5.8
7.1Peptide Warehouse
US basedUnited States
4.2 Trustpilot(26)74 products · Ships to 1 countryThird-party testing statedCOA page linked, not reviewedCryptoTracked since Sept 2026We may earn a commission. How this works
6.7Orion Peptides
US basedUnited States
82 products · Ships to 1 countryThird-party testing statedCOA page linked, not reviewedCardBank transferCryptoTracked since Sept 2026We may earn a commission. How this works
7.6ONYX BIOLABS
US basedUnited States
4.4 Trustpilot(79)35 productsThird-party testing statedCOA page linked, not reviewedBank transferCryptoTracked since Sept 2026We may earn a commission. How this works
Tracked since Sept 2026We may earn a commission. How this works
7.4Bluum Peptides
US basedUnited States
83 productsThird-party testing statedCOA page linked, not reviewedCardBank transferTracked since Sept 2026We may earn a commission. How this works
6.8American Peptides
US basedUnited States
3.1 Trustpilot(13)93 products · Delivery delivered in 2–3 business days · Ships to 1 countryThird-party testing statedCOA page linked, not reviewedCardCryptoTracked since Sept 2026We may earn a commission. How this works
7.5PSPeptides™
US basedUnited States
4.2 Trustpilot(175)98 products · Delivery Shipped Shipped Same Day Most Orders Shipped Within 2-24 Hours · Ships to 32 countriesThird-party testing statedTracked since Sept 2026We may earn a commission. How this works
Tracked since Sept 2026We may earn a commission. How this works