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Buyer's guide · November 2026 · 157 suppliers · United States · page 4 of 5

Compare Thymosin Alpha-1 suppliers in the US

Suppliers 91 to 120 of 149 with Thymosin Alpha-1 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 6 Nov 2026 · 239 listings · 212 confirmed in stock · 24 out of stock · Thymic peptides

Thymosin Alpha-1 · listed price per mg
USD · single vials · 107 suppliersmedian US$8.05/mg
US$3.20/mgUS$45.00/mg

Multi-vial packs: US$1.60/mg to US$11.20/mg, median US$5.76/mg (27 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 91–120 of 149 with listings on sale (8 more with everything out of stock) · prices in USD only, never converted

  1. 91
    Iron Core Research logo
    Third-party testing stated

    58 products tracked

    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.50/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-15 mgUS$37.49US$7.50/mgIn stockOn their site ↗
    Thymosin Alpha-110 mgUS$74.99US$7.50/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.

  2. 92
    Orbitrex Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    55 products tracked · Ships to 1 country

    Pays byCard
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$69.99US$7.00/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.

  3. 93
    Peptira logo

    Peptira

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

    52 products tracked

    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    THYMOSIN ALPHA-1As 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.

  4. 94
    World Wide Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    92 products tracked

    Pays byCardBank transferCryptoPayPal
    6.4/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-15 mgUS$229.00—In stockOn their site ↗
    Thymosin Alpha-110 mgUS$414.00—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.

  5. 95
    Behemoth Labz logo
    Third-party testing stated

    127 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As 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.

  6. 96
    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$9.79/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-15 mgUS$48.95US$9.79/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. 97
    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$6.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110 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.

  8. 98
    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$9.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$99.00US$9.90/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.

  9. 99
    Simple Life Science logo
    Third-party testing statedCOA page linked, not reviewed

    80 products tracked

    6.3/ 10PepFinder Score

    We may earn a commission. How this works

    From US$8.60/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$86.00US$8.60/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. 100
    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$8.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110 mgUS$80.00US$8.00/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.

  11. 101
    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$3.20/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    AP-TA1 10mg10 mgUS$31.99US$3.20/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. 102
    AminoVault Research Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    28 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$8.42/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10 mg10 mgUS$84.15US$8.42/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. 103
    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$5.25/mg (1000 mg vial)

    Listing as namedSizePricePer mgStock
    TA-1 10mg10 mgUS$140.00US$14.00/mgIn stockOn their site ↗
    TA-1 10mg10 mgUS$140.00US$14.00/mgIn stockOn their site ↗
    TA-1 10mg10 × 10 mg
    100 mg in total
    US$1,120.00US$11.20/mgIn stockOn their site ↗
    Thymosin (TA-1) 1000mg1000 mgUS$5,250.00US$5.25/mgIn stockOn their site ↗
    Thymosin Alpha-1 Research Powder — 1000mg (1g)Single unitUS$5,250.00—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.

  14. 104
    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$5.80/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 1 10mg10 mgUS$58.00US$5.80/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. 105
    IRON Peptides logo

    51 products tracked

    6.2/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Ta1As listedUS$109.00—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.

  16. 106
    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$8.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    TA1 (10mg) – Analytical Research Standard10 mgUS$85.00US$8.50/mgIn stockOn their site ↗
    Thymosin Alpha-1 (TA1) 10mg10 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.

  17. 107
    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
    Thymosin Alpha 1As listedUS$44.99—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.

  18. 108
    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$8.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    THYMOSIN ALPHA-15 mgUS$54.95US$10.99/mgIn stockOn their site ↗
    THYMOSIN ALPHA-110 mgUS$84.95US$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.

  19. 109
    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
    Thymosin Alpha 1As listedUS$95.00—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.

  20. 110
    NRG BioLabs Wholesale Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    18 products tracked

    6.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listedUS$99.00—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.

  21. 111
    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$10.60/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 1 (10mg)10 mgUS$106.00US$10.60/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. 112
    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
    Thymosin Alpha-1 | RISYNTH BIO5US$105.00—In stockOn their site ↗
    Thymosin Alpha-1 | RISYNTH BIO10US$180.00—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.

  23. 113
    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$8.80/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 (10mg)10 mgUS$88.00US$8.80/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. 114
    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$9.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 110 mgUS$99.00US$9.90/mgIn stockOn their site ↗
    Thymosin Alpha 110 × 10 mg
    100 mg in total
    US$879.00US$8.79/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. 115
    Lux synth aminos logo

    29 products tracked

    6.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$55.00US$5.50/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.

  26. 116
    Skye Peptides logo
    COA page linked, not reviewed

    63 products tracked

    Pays byCard
    3.8 Trustpilot(50)
    6.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10 mg10 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.

  27. 117
    Swiss Chems logo

    Swiss Chems

    US based
    COA page linked, not reviewed

    71 products tracked

    Pays byCrypto
    6.0/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 1As listedUS$63.99—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.

  28. 118
    Aavant Research logo
    COA page linked, not reviewed

    77 products tracked

    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    From US$1.60/mg (pack of 10 × 10 mg)

    Listing as namedSizePricePer mgStock
    TA1-5mg 10 Vials10 × 5 mg
    50 mg in total
    US$100.00US$2.00/mgIn stockOn their site ↗
    Thymosin Alpha-1 10mg 10 vials10 × 10 mg
    100 mg in total
    US$160.00US$1.60/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. 119
    Alpha Omega Peptide logo
    COA page linked, not reviewed

    63 products tracked

    Pays byCard
    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    From US$8.60/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$86.00US$8.60/mgNot statedOn 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. 120
    Luxury Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    54 products tracked

    Pays byCard
    5.9/ 10PepFinder Score

    We may earn a commission. How this works

    From US$11.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110 mgUS$119.00US$11.90/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.