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Buyer's guide · November 2026 · 157 suppliers · United States · page 2 of 5

Compare Thymosin Alpha-1 suppliers in the US

Suppliers 31 to 60 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 31–60 of 149 with listings on sale (8 more with everything out of stock) · prices in USD only, never converted

  1. 31
    Costides logo

    Costides

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

    39 products tracked · Delivery 2-5 business days in the US · Ships to 1 country

    Pays byCardCrypto
    7.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$1.80/mg (pack of 10 × 10 mg)

    Listing as namedSizePricePer mgStock
    Thymosin alpha-110 × 10 mg
    100 mg in total
    US$180.00US$1.80/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.

  2. 32
    Third-party testing statedCOA page linked, not reviewed

    105 products tracked · Ships to 36 countries

    Pays byCardBank transferCrypto
    7.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$10.00/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 (Tα-1)5 mgUS$49.99US$10.00/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. 33
    Licensed Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    278 products tracked · Delivery ship today Most orders arrive in 1–2 business days

    Pays byCard
    7.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$12.40/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 5mg5 mgUS$61.99US$12.40/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.

  4. 34
    MyPurePeptide logo
    Third-party testing statedCOA page linked, not reviewed

    46 products tracked

    Pays byCardBank transfer
    7.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 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.

  5. 35
    True Research Labs logo
    Third-party testing statedCOA page linked, not reviewed

    35 products tracked · Delivery ship within 24 hours · Ships to 1 country

    Pays byCard
    4.1 Trustpilot(151)
    7.2/ 10PepFinder Score

    We may earn a commission. How this works

    From US$10.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 110 mgUS$105.00US$10.50/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. 36
    BioPep logo

    BioPep

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

    29 products tracked

    Pays byCardCrypto
    4.5 Trustpilot(17)
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.04/mg (11.15 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 11.15mg Lot 2509311.15 mgUS$45.00US$4.04/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.

  7. 37
    Instant Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    39 products tracked · Delivery Estimated delivery times: 2 to 3 business days. · Ships to 1 country

    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listedUS$59.95—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.

  8. 38
    NorthPeptide logo

    NorthPeptide

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

    63 products tracked · Ships to 2 countries

    4.6 Trustpilot(18)
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listedUS$37.88—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.

  9. 39
    Peak Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    54 products tracked · Delivery Standard domestic delivery takes 1–2 business days.

    Pays byCardBank transferCrypto
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$5.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    THYMOSIN ALPHA-1 (10 MG)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.

  10. 40
    Peptide Minds logo
    Third-party testing stated

    37 products tracked · Ships to 36 countries

    4.7 Trustpilot(44)
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listedUS$108.00—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.

  11. 41
    Peptide Warehouse logo
    Third-party testing statedCOA page linked, not reviewed

    74 products tracked · Ships to 1 country

    Pays byCrypto
    4.2 Trustpilot(26)
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listedUS$129.99—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.

  12. 42
    Puratek Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    29 products tracked · Ships to 1 country

    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 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.

  13. 43
    True Peptide Labs logo
    Third-party testing statedCOA page linked, not reviewed

    59 products tracked · Delivery Free 2–5 day delivery on all orders over $250.

    4.2 Trustpilot(69)
    7.1/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 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.

  14. 44
    Forge Performance Co. logo
    Third-party testing statedCOA page linked, not reviewed

    15 products tracked · Ships to 1 country

    Pays byCard
    4.4 Trustpilot(19)
    7.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10 mgUS$60.00US$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.

  15. 45
    NextWave Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    29 products tracked · Delivery NextWave orders are processed through a U.S. warehouse, dispatched within 24 hours and typically delivered within 3–8 days.

    7.0/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 (TA-1)As listedUS$147.00—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. 46
    peakwellnesspeptides.com logo
    COA page linked, not reviewed✓ Verified owner

    36 products tracked · Delivery 2-4 business days · Ships to 1 country · Est. 2025

    Pays byCard
    7.0/ 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$70.00US$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.

  17. 47
    RCHQ logo

    RCHQ

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

    22 products tracked

    Pays byCardBank transferCryptoPayPal
    4.0 Trustpilot(4)
    7.0/ 10PepFinder Score

    We may earn a commission. How this works

    From US$4.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 | 10mg10 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.

  18. 48
    Stackhaus Research logo
    Third-party testing statedCOA page linked, not reviewed

    85 products tracked · Ships to 1 country

    Pays byCardBank transfer
    7.0/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 110mg [3mL]
    Liquid
    US$102.00—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.

  19. 49
    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
    Thymosin Alpha 1 10mg (10 vials/kit)10mg
    Kit
    US$288.00—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. 50
    Xeno logo

    Xeno

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

    28 products tracked

    Pays byCrypto
    3.3 Trustpilot(7)
    6.9/ 10PepFinder Score

    We may earn a commission. How this works

    From US$6.20/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110 mgUS$62.00US$6.20/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.

  21. 51
    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
    Thymosin Alpha 1 (TA1)As 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. 52
    American Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    91 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$12.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    THYMOSIN ALPHA-110 mgUS$125.00US$12.50/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.

  23. 53
    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$6.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 110 mgUS$65.00US$6.50/mgIn stockOn their site ↗
    Thymosin Alpha 1 BULK PACK10 × 10 mg
    100 mg in total
    US$585.00US$5.85/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. 54
    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$2.00/mg (pack of 10 × 10 mg)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10 mg (10 vials)10 × 10 mg
    100 mg in total
    US$200.00US$2.00/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.

  25. 55
    Exogen Research logo

    61 products tracked

    Pays byCardCrypto
    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From US$7.50/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-15 mgUS$37.50US$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.

  26. 56
    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$45.00/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 5mg5 mgUS$224.99US$45.00/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. 57
    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$5.98/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-15 mgUS$33.99US$6.80/mgIn stockOn their site ↗
    Thymosin Alpha-110 mgUS$59.83US$5.98/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. 58
    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$6.20/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 1 5mg5 mgUS$35.00US$7.00/mgIn stockOn their site ↗
    Thymosin Alpha 1 10mg10 mgUS$62.00US$6.20/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.

  29. 59
    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$7.10/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha 1 (10MG)10 mgUS$71.00US$7.10/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.

  30. 60
    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$14.90/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 – 5MG / 10MG5 mgUS$81.00US$16.20/mgIn stockOn their site ↗
    Thymosin Alpha-1 – 5MG / 10MG10 mgUS$149.00US$14.90/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.