Thymosin Alpha-1
Immunomodulatory peptide (Thymosin Alpha-1) studied in immune-signalling and T-cell response research. High-purity, third-party tested reference material with a COA. RUO.
| Purity (HPLC) | ≥ 99.0% |
|---|---|
| Available sizes | 10 mg |
| Physical form | Lyophilized powder |
| Storage | -20°C, desiccated, protected from light |
What is Thymosin Alpha-1?
Thymosin Alpha-1 is a 28-amino-acid immunomodulatory peptide originally isolated from thymosin fraction 5, an extract of the thymus gland. It is one of the best-characterised thymic peptides, and its sequence is fully defined — which distinguishes it from the thymic extracts also used in immunology research.
It is supplied as a lyophilized powder at 10 mg. See the reconstitution guide and the reconstitution calculator for preparation.
Research context
Research models examine its influence on T-cell maturation and function, cytokine signalling, and innate-immune modulation, including activity at Toll-like receptors. It is a standard reference compound in immunology study designs where a defined immunomodulatory input is needed.
The obvious comparator in this catalogue is Thymalin, a thymic polypeptide preparation rather than a single defined sequence — the two are frequently studied side by side for exactly that reason. KPV and ARA-290 are the closer references on inflammatory rather than adaptive-immune endpoints.
Purity and third-party testing
Every batch is independently analysed by Testides and Peptide Test Canada and ships with a certificate of analysis reporting high-performance liquid chromatography purity and mass-spectrometry identity. See how to read a certificate of analysis and what a purity figure actually means; our full process is on the Research and Quality page.
Handling and storage
Kept cold and protected from light while lyophilized; refrigerated and used within a shorter window once reconstituted. The storage guide covers both states, and bacteriostatic vs. sterile water explains diluent choice — bacteriostatic water is stocked alongside.
Related research compounds
Thymosin Alpha-1 appears in longevity study designs concerned with immune aging, near Glutathione and Epithalon. New to this area? Start with Peptides 101 or browse the knowledge hub.
Research Use Only. Supplied strictly for in-vitro laboratory research and development. Not for human or animal consumption, diagnostic, or therapeutic use.
Frequently asked
No. Thymosin Alpha-1 is supplied strictly as a reference material for in-vitro laboratory research. It is not for human or animal consumption and is not intended for diagnostic or therapeutic use.
Yes. Every batch is independently tested by Testides and Peptide Test Canada for HPLC purity and mass-spectrometry identity, and ships with a batch-specific certificate of analysis (COA).
Thymosin Alpha-1 is available in 10 mg. Per-vial pricing is shown on this page.
Thymosin Alpha-1 is supplied as lyophilized powder. Use the reconstitution calculator to work out concentration and dosing volumes for your research, and see the storage and handling guide for temperature and shelf-life guidance. Store the lyophilized vial at -20 degrees C, desiccated and protected from light.
What researchers say
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