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Buyer's guide · November 2026 · 211 suppliers · United States · page 3 of 7

Compare Semax suppliers in the US

Suppliers 61 to 90 of 205 with Semax on sale based in the US, in PepFinder Score order. Back to the first page for the price range, market history and questions.

Prices checked 8 Nov 2026 · 350 listings · 327 confirmed in stock · 18 out of stock · Neuropeptide analogues

Semax · listed price per mg
USD · single vials · 150 suppliersmedian US$4.45/mg
US$1.04/mgUS$17.00/mg

Multi-vial packs: US$0.60/mg to US$12.09/mg, median US$2.63/mg (40 listings), shown separately.

Each currency is shown separately; prices are never converted. Packs of several vials are compared per mg of the whole pack, apart from single vials.

Suppliers 61–90 of 205 with listings on sale (6 more with everything out of stock) · prices in USD only, never converted

  1. 61
    NEXAPH logo

    NEXAPH

    US based
    Third-party testing stated

    43 products tracked · Ships to 2 countries

    Pays byCard
    3.9 Trustpilot(73)
    6.9/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    N-Acetyl Semax Amidate 10mg (10 vials/kit)10mg
    Kit
    US$152.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  2. 62
    Nootropic Source logo

    56 products tracked

    Pays byCardBank transferCrypto
    6.9/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Semax PeptideAs listedUS$34.95—In stockOn their site ↗
    N-Acetyl Semax Amidate PeptideAs listedUS$54.95—In stockOn their site ↗
    N-Acetyl Semax PeptideAs listedUS$44.95—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  3. 63
    Peptide Partners logo
    Third-party testing stated

    118 products tracked

    6.9/ 10PepFinder Score

    We may earn a commission. How this works

    From US$1.04/mg (300 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (30mg vials)60 mgUS$81.00US$1.35/mgIn stockOn their site ↗
    Semax (30mg vials)150 mgUS$182.25US$1.22/mgIn stockOn their site ↗
    Semax (30mg vials)300 mgUS$310.50US$1.04/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  4. 64
    Third-party testing statedCOA page linked, not reviewed

    47 products tracked · Ships to 1 country

    5.0(1)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    SemaxAs listed——In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  5. 65
    American Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    93 products tracked · Delivery delivered in 2–3 business days · Ships to 1 country

    Pays byCardCrypto
    3.1 Trustpilot(13)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX10 mgUS$65.00US$6.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  6. 66
    Atomik Labz logo

    Atomik Labz

    US based

    133 products tracked

    2.7 Trustpilot(34)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.00/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$35.00US$3.50/mgIn stockOn their site ↗
    Semax30 mgUS$90.00US$3.00/mgIn stockOn their site ↗
    Semax BULK PACK10 × 10 mg
    100 mg in total
    US$315.00US$3.15/mgIn stockOn their site ↗
    Semax BULK PACK10 × 30 mg
    300 mg in total
    US$810.00US$2.70/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  7. 67
    Bulk Peptide Wholesale logo
    COA page linked, not reviewed

    82 products tracked

    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$0.83/mg (pack of 10 × 30 mg)

    Listing as namedSizePricePer mgStock
    SEMAX (10 vials)10 × 10 mg
    100 mg in total
    US$175.00US$1.75/mgIn stockOn their site ↗
    SEMAX (10 vials)10 × 30 mg
    300 mg in total
    US$250.00US$0.83/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  8. 68
    Cenexa Labs logo

    Cenexa Labs

    US based
    Third-party testing stated

    93 products tracked

    Pays byCardCrypto
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.40/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax5 mgUS$39.99US$8.00/mgIn stockOn their site ↗
    Semax10 mgUS$43.99US$4.40/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  9. 69
    Exogen Research logo

    61 products tracked

    Pays byCardCrypto
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    SemaxAs listedUS$49.99—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  10. 70
    Nexus Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    24 products tracked · Ships to 36 countries

    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$2.05/mg (pack of 10 × 10 mg)

    Listing as namedSizePricePer mgStock
    Semax10 × 10 mg
    100 mg in total
    US$204.99US$2.05/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  11. 71
    Panda Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    48 products tracked · Ships to 1 country

    4.8 Trustpilot(77)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$39.99US$4.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  12. 72
    Vertex Labs logo

    Vertex Labs

    US based
    Third-party testing statedCOA page linked, not reviewed✓ Verified owner

    48 products tracked · Delivery 3 · Ships to 1 country · Est. 2026

    Pays byCard
    4.2 Trustpilot(24)
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    SemaxAs listedUS$69.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  13. 73
    Ameano Peptides logo
    Third-party testing stated

    45 products tracked · Ships to 1 country

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.40/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    N-Acetyl Semax Amidate 10mg10 mgUS$44.00US$4.40/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  14. 74
    Ascension Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    35 products tracked · Delivery For USA deliveries, please allow 2–5 business days after payment is fully processed and released by your bank. · Ships to 1 country

    Pays byCard
    4.8 Trustpilot(78)
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10MG)10 mgUS$50.00US$5.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  15. 75
    Auragen Research logo
    Third-party testing stated

    14 products tracked

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX 10MG10 mgUS$29.99US$3.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  16. 76
    Core Peptides logo
    Third-party testing stated

    87 products tracked · Ships to 1 country

    Pays byCard
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$2.40/mg (25 mg vial)

    Listing as namedSizePricePer mgStock
    N-Acetyl Semax – 25MG25 mgUS$60.00US$2.40/mgIn stockOn their site ↗
    Semax – 25MG25 mgUS$63.00US$2.52/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  17. 77
    Glacier Aminos logo
    Third-party testing statedCOA page linked, not reviewed

    154 products tracked

    4.6 Trustpilot(116)
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.10/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX 10MG10 mgUS$40.99US$4.10/mgIn stockOn their site ↗
    SEMAX 10MG (5-Pack)5 × 10 mg
    50 mg in total
    US$180.36US$3.61/mgIn stockOn their site ↗
    SEMAX 10MG (10-Pack)10 × 10 mg
    100 mg in total
    US$307.43US$3.07/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  18. 78

    Haelolabs

    US based
    Third-party testing stated

    13 products tracked · Ships to 36 countries

    Pays byCardBank transferCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$40.00US$4.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  19. 79

    OptimalPep

    US based
    Third-party testing statedCOA page linked, not reviewed

    58 products tracked · Delivery Orders ship via FedEx 2-Day or USPS Priority and usually arrive within 2–3 business days once scanned. · Ships to 36 countries

    Pays byCard
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.65/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX- 10MG10 mgUS$76.50US$7.65/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  20. 80
    Orion Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    82 products tracked · Ships to 1 country

    Pays byCardBank transferCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.10/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax – 5mg5 mgUS$47.00US$9.40/mgIn stockOn their site ↗
    Semax – 10mg10 mgUS$61.00US$6.10/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  21. 81
    PeakForm Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    51 products tracked · Ships to 1 country

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax - 10MG10 mgUS$45.00US$4.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  22. 82
    Third-party testing statedCOA page linked, not reviewed

    140 products tracked · Ships to 41 countries

    Pays byCryptoPayPal
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.67/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$50.00US$5.00/mgIn stockOn their site ↗
    Semax30 mgUS$129.00US$4.30/mgIn stockOn their site ↗
    Semax30 mgUS$110.00US$3.67/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  23. 83
    PeptiFy Labs logo

    PeptiFy Labs

    US based
    Third-party testing statedCOA page linked, not reviewed

    92 products tracked

    Pays byCard
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.67/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    NA Semax Amidate10 mgUS$46.99US$4.70/mgIn stockOn their site ↗
    NA Semax Amidate30 mgUS$109.99US$3.67/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  24. 84
    Xtreme Bio Labs logo
    Third-party testing statedCOA page linked, not reviewed

    38 products tracked · Ships to 1 country

    Pays byCardCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Semax – Premium Research PeptideAs listedUS$29.99—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  25. 85
    Third-party testing statedCOA page linked, not reviewed

    32 products tracked

    Pays byCard
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.30/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$32.99US$3.30/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  26. 86
    Blank Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    52 products tracked · Ships to 36 countries

    Pays byCardBank transferCrypto
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX10 mgUS$50.00US$5.00/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  27. 87
    Bulk Peptide Supply logo
    COA page linked, not reviewed

    60 products tracked

    2.9 Trustpilot(12)
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From US$1.33/mg (pack of 10 × 30 mg)

    Listing as namedSizePricePer mgStock
    Semax (10 vials)10 × 10 mg
    100 mg in total
    US$225.00US$2.25/mgIn stockOn their site ↗
    Semax (10 vials)10 × 30 mg
    300 mg in total
    US$400.00US$1.33/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  28. 88
    Eros Peptides logo
    COA page linked, not reviewed

    78 products tracked

    Pays byCardPayPal
    3.9 Trustpilot(16)
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10MG10 mgUS$34.99US$3.50/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  29. 89
    Essential Aminos logo
    Third-party testing stated

    36 products tracked

    Pays byCardCrypto
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    NA-SemaxAs listedUS$42.00—In stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

  30. 90
    EZ Peptides logo

    EZ Peptides

    US based
    Third-party testing stated

    48 products tracked

    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.40/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$44.00US$4.40/mgIn stockOn their site ↗

    Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.