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Buyer's guide · November 2026 · 420 suppliers · All regions · page 5 of 14

Compare Thymosin Alpha-1 suppliers and prices

Suppliers 121 to 150 of 391 with Thymosin Alpha-1 on sale, in PepFinder Score order. Back to the first page for the price range, market history and questions.

Prices checked 8 Nov 2026 · 641 listings · 558 confirmed in stock · 60 out of stock · Thymic peptides

Thymosin Alpha-1 · listed price per mg
USD · single vials · 110 suppliersmedian US$8.10/mg
US$3.20/mgUS$45.00/mg

Multi-vial packs: US$1.60/mg to US$11.20/mg, median US$4.80/mg (33 listings), shown separately.

GBP · single vials · 74 suppliersmedian £4.90/mg
£1.18/mg£24.30/mg

Multi-vial packs: £1.80/mg to £12.94/mg, median £4.27/mg (27 listings), shown separately.

EUR · single vials · 54 suppliersmedian €7.58/mg
€3.31/mg€20.00/mg

Multi-vial packs: €2.15/mg to €8.95/mg, median €4.05/mg (7 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 391 with listings on sale (29 more with everything out of stock) · prices in GBP only, never converted

  1. 121
    Oxford Research Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    62 products tracked

    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.30/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110 mg£43.00£4.30/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.

  2. 122
    Research Peptides NI logo
    Third-party testing statedCOA page linked, not reviewed

    108 products tracked · Delivery Estimated delivery time: 1–2 business days (UK & Ireland). · Ships to 36 countries

    6.8/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.00/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 10mg10mg / Pen Refill
    Liquid
    £45.00—In stockOn their site ↗
    Thymosin Alpha-1 10mg10mg / Research Pen
    Liquid
    £65.00—In stockOn their site ↗
    Thymosin Alpha-1 10mg10 mg£30.00£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.

  3. 123
    biolabsuk.co.uk logo
    Third-party testing stated

    80 products tracked

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £6.80/mg (5 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin alpha-1 5 mg5 mg£33.99£6.80/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.

  4. 124
    Lab Peptides logo

    Lab Peptides

    GB based

    148 products tracked

    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £4.63/mg (16 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-12 mg£15.00£7.50/mgIn stockOn their site ↗
    Thymosin Alpha-15 mg£29.00£5.80/mgIn stockOn their site ↗
    Thymosin Alpha-110 mg£49.00£4.90/mgIn stockOn their site ↗
    Thymalfasin10 mg£243.00£24.30/mgIn stockOn their site ↗
    Thymosin Alpha-115 mg£71.00£4.73/mgIn stockOn their site ↗
    Thymosin Alpha-116 mg£74.00£4.63/mgIn stockOn their site ↗

    + 1 more on the full catalogue.

    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
    Lab77 Peptides logo
    Third-party testing statedCOA page linked, not reviewed

    120 products tracked · Ships to 1 country

    Pays byCardBank transfer
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    From £3.30/mg (10 mg vial)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-110mg pen
    Liquid
    £68.00—In stockOn their site ↗
    Thymosin Alpha-110 mg£33.00£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.

  6. 126
    RETA LAB UK logo

    RETA LAB UK

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

    78 products tracked · Ships to 1 country

    Pays byCardBank transferCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 12.5mg12.5 mg——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.

  7. 127
    UK Peptide logo

    UK Peptide

    GB based

    90 products tracked

    Pays byCardCrypto
    6.7/ 10PepFinder Score

    We may earn a commission. How this works

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1As listed£70.00—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.

  8. 128
    Adaptog Research logo
    COA page linked, not reviewed

    162 products tracked

    Pays byCardBank transferCrypto
    6.6/ 10PepFinder Score

    We may earn a commission. How this works

    From £2.45/mg (pack of 10 × 20 mg)

    Listing as namedSizePricePer mgStock
    Thymosin Alpha-1 (10 pack)10 × 2 mg
    20 mg in total
    £258.75£12.94/mgIn stockOn their site ↗
    Thymalfasin (10 pack)10 × 2 mg
    20 mg in total
    £134.71£6.74/mgIn stockOn their site ↗
    Thymalfasin (10 pack)10 × 5 mg
    50 mg in total
    £195.58£3.91/mgIn stockOn their site ↗
    Thymosin Alpha-1 (10 pack)10 × 5 mg
    50 mg in total
    £388.13£7.76/mgIn stockOn their site ↗
    Thymalfasin (10 pack)10 × 10 mg
    100 mg in total
    £299.28£2.99/mgIn stockOn their site ↗
    Thymosin Alpha-1 (10 pack)10 × 10 mg
    100 mg in total
    £646.88£6.47/mgIn stockOn their site ↗

    + 1 more on the full catalogue.

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