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Buyer's guide · November 2026 · 211 suppliers · United States · page 5 of 7

Compare Semax suppliers in the US

Suppliers 121 to 150 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 121–150 of 205 with listings on sale (6 more with everything out of stock) · prices in USD only, never converted

  1. 121
    Third-party testing statedCOA page linked, not reviewed

    14 products tracked

    6.3/ 10PepFinder Score

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    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.

  2. 122
    Behemoth Labz logo
    Third-party testing stated

    127 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.34/mg (30 mg vial)

    Listing as namedSizePricePer mgStock
    N-Acetyl Semax Amidate30 mgUS$100.34US$3.34/mgIn stockOn their site ↗
    N-Acetyl Semax Amidate60 mgUS$200.69US$3.34/mgIn stockOn their site ↗
    SemaxAs listedUS$0.00—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.

  3. 123
    Elite Miami Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    59 products tracked

    Pays byCard
    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax5 mgUS$31.95US$6.39/mgIn stockOn their site ↗
    Semax10 mgUS$59.95US$6.00/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.

  4. 124
    Enhanced Bio Labs logo
    Third-party testing statedCOA page linked, not reviewed

    29 products tracked

    Pays byCardCrypto
    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$59.99US$6.00/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.

  5. 125
    Peptide Foundry logo
    Third-party testing statedCOA page linked, not reviewed

    26 products tracked · Ships to 1 country

    Pays byCard
    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$60.00US$6.00/mgIn stockOn their site ↗
    Semax Aerosolized Mister10 mgUS$85.00US$8.50/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. 126
    PH Bio Labs logo

    PH Bio Labs

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

    50 products tracked

    6.3/ 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.

  7. 127
    www.Peptides.Us logo
    Third-party testing statedCOA page linked, not reviewed

    68 products tracked

    6.3/ 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.

  8. 128
    Aero Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    24 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10mg)10 mgUS$44.99US$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.

  9. 129
    Alamo Peptides logo
    COA page linked, not reviewed

    38 products tracked

    Pays byCrypto
    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$2.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$24.99US$2.50/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.

  10. 130
    AminoVault Research Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    40 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.70/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10mg10 mgUS$57.00US$5.70/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.

  11. 131
    BulkGLP logo

    BulkGLP

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

    136 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$2.10/mg (1000 mg vial)

    Listing as namedSizePricePer mgStock
    Semax Peptide — 10mg Research Vial10 mgUS$55.00US$5.50/mgIn stockOn their site ↗
    Semax Peptide — 10mg Research Vial10 mgUS$55.00US$5.50/mgIn stockOn their site ↗
    Semax Peptide — 10mg Research Vial10 × 10 mg
    100 mg in total
    US$440.00US$4.40/mgIn stockOn their site ↗
    Semax 1000mg1000 mgUS$2,100.00US$2.10/mgIn stockOn their site ↗
    Semax Research Powder — 1000mg (1g)Single unitUS$2,100.00—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.

  12. 132
    EZ Peptides logo

    EZ Peptides

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

    46 products tracked · Ships to 1 country

    Pays byCard
    6.2/ 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.

  13. 133
    IRON Peptides logo

    51 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX (10MG)10 mgUS$79.00US$7.90/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. 134
    Nurapeptide logo

    Nurapeptide

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

    71 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10mg) Lyophilized Peptide – Laboratory Research Standard10 mgUS$45.00US$4.50/mgIn stockOn their site ↗
    SEMAX (Lyophilized) 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.

  15. 135
    Nuvia Peptides logo
    Third-party testing stated

    23 products tracked

    4.0 Trustpilot(4)
    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax 10MG10 mgUS$48.99US$4.90/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. 136
    Optimum Formula logo
    COA page linked, not reviewed

    25 products tracked

    Pays byCardCrypto
    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    NA-Semax AtomizerAs listed
    Spray
    US$79.99—In stockOn their site ↗
    SemaxAs listedUS$34.99—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.

  17. 137
    ordermypeptides.com logo
    Third-party testing statedCOA page linked, not reviewed

    188 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$8.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$89.00US$8.90/mgIn stockOn their site ↗
    Semax2 × 10 mg
    20 mg in total
    US$159.00US$7.95/mgIn stockOn their site ↗
    Semax5 × 10 mg
    50 mg in total
    US$379.00US$7.58/mgIn stockOn their site ↗
    Semax10 × 10 mg
    100 mg in total
    US$699.00US$6.99/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. 138
    paradigm-peptide.com logo

    33 products tracked

    6.2/ 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. 139
    Platinum Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    74 products tracked · Ships to 1 country

    3.7 Trustpilot(1)
    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX5 mgUS$34.95US$6.99/mgIn stockOn their site ↗
    SEMAX10 mgUS$64.95US$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.

  20. 140
    unitedlabpeptides.com logo
    Third-party testing statedCOA page linked, not reviewed

    19 products tracked

    Pays byCard
    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10mg)10 mgUS$35.00US$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.

  21. 141
    VivePeptides logo

    VivePeptides

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

    28 products tracked

    6.2/ 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.

  22. 143
    Oxford Peptide Labs logo
    Third-party testing stated

    47 products tracked

    Pays byCardBank transfer
    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    SemaxAs listedUS$47.98—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.

  23. 144
    COA page linked, not reviewed

    53 products tracked

    Pays byCard
    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Semax 10 mg, 10-vial pack10 × 10 mg
    100 mg in total
    US$340.00—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.

  24. 145
    Red Rock Peptides logo

    41 products tracked · Ships to 1 country

    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.40/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10mg)10 mgUS$74.00US$7.40/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.

  25. 146
    RISYNTH BIO logo

    RISYNTH BIO

    US based
    COA page linked, not reviewed

    58 products tracked

    Pays byBank transfer
    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Semax – | RISYNTH BIO5US$30.00—In stockOn their site ↗
    Semax – | RISYNTH BIO10US$50.00—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.

  26. 147
    Sigma Compounds logo

    58 products tracked

    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10 MG)10 mgUS$59.00US$5.90/mgIn stockOn their site ↗
    Semax (10 MG) — Mist10 mgUS$69.00US$6.90/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. 148
    Third-party testing statedCOA page linked, not reviewed

    88 products tracked · Ships to 1 country

    Pays byCard
    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.96/mg (50 mg vial)

    Listing as namedSizePricePer mgStock
    Semax (10mg)10 mgUS$52.00US$5.20/mgIn stockOn their site ↗
    NA-Semax10 mgUS$52.00US$5.20/mgIn stockOn their site ↗
    NA-Semax50 mgUS$198.00US$3.96/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. 149
    Direct Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    70 products tracked

    Pays byCard
    6.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$3.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Semax10 mgUS$39.00US$3.90/mgIn stockOn their site ↗
    Semax10 × 10 mg
    100 mg in total
    US$349.00US$3.49/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. 150
    NextGen Peptides logo
    Third-party testing stated

    29 products tracked · Ships to 1 country

    Pays byCard
    6.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$9.00/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    SEMAX 5 MG5 mgUS$45.00US$9.00/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.