Thymalin
Thymic polypeptide preparation (Thymalin) studied in immune-signalling and cellular-response research models. High-purity reference material, third-party tested, COA. Research Use Only.
| Purity (HPLC) | ≥ 99.0% |
|---|---|
| Available sizes | 10 mg |
| Physical form | Lyophilized powder |
| Storage | -20°C, desiccated, protected from light |
What is Thymalin?
Thymalin is a peptide preparation derived from the thymus gland, composed of a fraction of thymic polypeptides rather than a single defined sequence. It comes from the same Russian bioregulator research tradition as Epithalon, where short peptide complexes extracted from specific tissues are studied for tissue-selective regulatory activity.
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, immune regulation and the cellular stress response. Because thymic involution is one of the clearest measurable features of biological aging, thymic peptides sit at the intersection of immunology and longevity research rather than belonging cleanly to either.
The natural comparison is Thymosin Alpha-1 — a single defined 28-residue sequence against Thymalin’s polypeptide fraction, which is a meaningful methodological contrast in study design. On the longevity side it is often examined alongside Epithalon.
Purity and third-party testing
Every batch is independently analysed by Testides and Peptide Test Canada and ships with a certificate of analysis. As with any polypeptide preparation, the documentation characterises the fraction rather than reporting a single-sequence purity figure — see how to read a certificate of analysis and what a purity figure actually means, plus our Research and Quality page.
Handling and storage
Kept cold and protected from light while lyophilized; refrigerated once reconstituted. The storage guide covers both states, and bacteriostatic vs. sterile water explains why bacteriostatic water is the usual diluent for a multi-draw vial.
Related research compounds
Thymalin sits in our longevity research collection with NAD+ and Glutathione. New to this area? Start with Peptides 101 or browse the full 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. Thymalin 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).
Thymalin is available in 10 mg. Per-vial pricing is shown on this page.
Thymalin 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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Please review the material itself — purity, packaging, shipping and handling. We cannot publish reviews describing human or animal use, dosing, or health outcomes, because everything we supply is strictly for in-vitro laboratory research. Every review is read before it appears.
