Bright laboratory photograph of research peptide vials
Price index  /  Immune  /  Thymosin Alpha-1

Immune · 3 vendors stocking

Thymosin Alpha-1

Ta1, thymalfasin, thymosin α1

Best buy · scored August 26, 2026
ZestyRat Research — 8.9 / 10
Thymosin Alpha 1 – 10mg · 10mg · $69.99 per vial · $6.30 after code SHAUN10 (list $7.00).
cheapest per milligram on the board. Most-ordered vendor by our readers, and every reader order has shipped. Open checkout, no account required, plus a standing 10% code.
Open at ZestyRat
Effective price
4.78/5.0
Reader outcome
2.0/2.0
Checkout & terms
1.6/2.0
Size choice
0.5/1.0

Every point is published and checkable — how the value score is built ›

VendorListingSizeVial pricePer milligram, after codeValue
ZestyRat Best buy Thymosin Alpha 1 – 10mg 10mg $69.99 $7.00
$6.30
8.9 View ›
Ascension Thymosin Alpha 1 (10MG) 10MG $71.00 $7.10 6.6 View ›
Dynamic Thymosin Alpha-1 10mg 10mg $79.99 $8.00 6.1 View ›

Every row read from the vendor's live storefront on August 26, 2026. Ordered by value score, not by sticker price. Vials only — capsules, sprays and serums are excluded. Method ›

What Thymosin Alpha-1 is

Thymosin Alpha-1 is a 28-amino-acid thymic peptide and the most-studied immune peptide in these catalogs, with a clinical footprint outside the research market that none of the others here have. Every vendor we index stocks it at 10mg.

Deeper background, sourcing and quality notes live on our sister site: Peptides Uncaged ›

Reading this table. Universal 10mg vial. This is one of the handful of compounds every vendor on this board carries, which makes it a good second sanity check on overall vendor pricing alongside semaglutide.

Discount that applies here

SHAUN1010% off at ZestyRat Research

Always-on partner code, re-tested at a live checkout. It stacks on the prices above, so a ZestyRat row within 10% of the leader is usually the cheaper order. Every other working code is on the Deal Board.

Questions

Thymosin Alpha-1 pricing, answered

How much does Thymosin Alpha-1 cost?

The cheapest Thymosin Alpha-1 vial across the three storefronts we index is ZestyRat Research at $69.99 for the 10mg vial — $7.00 per milligram Prices were read from the vendors' live catalogues on August 26, 2026.

Which vendor is cheapest for Thymosin Alpha-1?

ZestyRat Research, at $7.00 per milligram. That is 1% below the next-cheapest vendor on the board. The vendor our readers order from most, and every reader order has shipped. Open checkout — no account required. Third-party HPLC on every batch.

What vial sizes does Thymosin Alpha-1 come in?

Across the vendors we index: 10MG, 10mg. Larger vials are almost always cheaper per milligram, which is why the table above is sorted on that column rather than on sticker price.

What should I check before comparing Thymosin Alpha-1 prices?

Universal 10mg vial. This is one of the handful of compounds every vendor on this board carries, which makes it a good second sanity check on overall vendor pricing alongside semaglutide.

Is this product for human use?

No. Thymosin Alpha-1 is sold by every vendor listed here for laboratory research use only. Nothing on this page is medical advice or a recommendation to use any compound.

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