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Directory · Regional · 35 suppliers

Research peptide suppliers for the US

Suppliers whose recorded business location is in the US, or who state that they ship there. Location and shipping countries come from company registration or the supplier's own published information, and are shown with their source on each profile. Rules on buying and importing these products differ by country; in United States the regulator is the U.S. Food and Drug Administration (FDA). We give no advice on legality or use.

Index updated 23 Sept 2026 · 0 verified · 27 state third-party testing · 26 publish COAs

Where suppliers are basedUS
Based in the US (15)Ship in from elsewhere (0)
  2. 02

    Bluum Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet43 listed products

    Tracked since Sept 2026

    8.0/ 10PepFinder ratingView profile →
  3. 03

    Polaris Peptides

    US based

    United States

    Third-party testing stated
    No reviews yet40 listed products

    Tracked since Sept 2026

    8.0/ 10PepFinder ratingView profile →
  4. 04

    Koi Research Labs LLC

    US based

    United States · shipped, or vials are missing, report it to [email protected] within 48 hours

    Third-party testing statedPublishes COAs
    No reviews yet21 listed products

    Tracked since Sept 2026

    7.8/ 10PepFinder ratingView profile →
  6. 06

    True Research Labs

    — · ship within 24 hours

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    7.7/ 10PepFinder ratingView profile →
  7. 07

    Direct SARMS

    US based

    United States · dispatched within 24-48 hours

    No reviews yet159 listed products

    Tracked since Sept 2026

    7.7/ 10PepFinder ratingView profile →
  9. 09

    Pure Lab Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet49 listed products

    Tracked since Sept 2026

    7.5/ 10PepFinder ratingView profile →
  11. 11

    Licensed Peptides

    US based

    United States · ship today Most orders arrive in 1–2 business days

    Third-party testing statedPublishes COAs
    No reviews yet169 listed products

    Tracked since Sept 2026

    7.4/ 10PepFinder ratingView profile →
  15. 15

    Sparta Labs

    —

    Third-party testing statedPublishes COAs
    No reviews yet25 listed products

    Tracked since Sept 2026

    7.2/ 10PepFinder ratingView profile →
  21. 21

    Honest Peptide

    —

    Third-party testing statedPublishes COAs
    No reviews yet12 listed products

    Tracked since Sept 2026

    6.9/ 10PepFinder ratingView profile →
  22. 22

    American Peptides

    — · delivered in 2–3 business days

    Third-party testing statedPublishes COAs
    No reviews yet40 listed products

    Tracked since Sept 2026

    6.8/ 10PepFinder ratingView profile →
  23. 23

    Liberty Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet37 listed products

    Tracked since Sept 2026

    6.8/ 10PepFinder ratingView profile →
  24. 24

    Xeno

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet14 listed products

    Tracked since Sept 2026

    6.7/ 10PepFinder ratingView profile →
  25. 25

    ONYX BIOLABS

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet21 listed products

    Tracked since Sept 2026

    6.7/ 10PepFinder ratingView profile →
  27. 27

    Evolve Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet40 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ratingView profile →
  28. 28

    PSPeptides™

    — · Shipped Shipped Same Day Most Orders Shipped Within 2-24 Hours

    Third-party testing stated
    No reviews yet53 listed products

    Tracked since Sept 2026

    6.6/ 10PepFinder ratingView profile →
  29. 29

    Regentide

    US based

    United States

    Publishes COAs
    No reviews yet35 listed products

    Tracked since Sept 2026

    6.4/ 10PepFinder ratingView profile →
  31. 31

    Orion Peptides

    —

    Third-party testing statedPublishes COAs
    No reviews yet58 listed products

    Tracked since Sept 2026

    6.2/ 10PepFinder ratingView profile →
  33. 33

    Amino Fuel Labs

    — · shipped items must also be reported within 15 days

    Third-party testing statedPublishes COAs
    No reviews yet22 listed products

    Tracked since Sept 2026

    6.1/ 10PepFinder ratingView profile →
  34. 34

    BioLongevity Labs

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    5.5/ 10PepFinder ratingView profile →
  35. 35

    Chameleon Peptides

    US based

    United States

    Third-party testing statedPublishes COAs
    No reviews yet19 listed products

    Tracked since Sept 2026

    –PepFinder ratingView profile →

Buying research peptides in the US

Suppliers appear here because they are based in the US or state that they ship there. Prices are compared in USD only, never converted from other currencies, so the figures reflect what buyers in the US actually pay. Rules on buying, importing and possessing research peptides are set nationally, and the regulator in United States is the U.S. Food and Drug Administration (FDA): our page on whether peptides are legal in the US summarises them, with links to the sources.

To compare prices for one peptide in USD, go straight to BPC-157, Retatrutide, Tirzepatide, Semaglutide, Tesamorelin, GHK-Cu, Ipamorelin or Sermorelin. Before ordering from a supplier you have not used, run through our checklist for spotting an unreliable supplier, and check whether it publishes independent test results. The best-rated and fastest delivery rankings cover every region.