What is Thymosin Alpha-1?

Overview

Thymosin Alpha-1 is the 28-amino-acid immunoregulatory peptide isolated from the thymus gland. It’s one of the most-studied immune-modulating peptides in clinical research, with formal approvals for hepatitis B and C in 35+ countries and ongoing investigation in oncology, sepsis, and post-COVID recovery. The mechanism that keeps it in the immunology literature: Thymosin Alpha-1 upregulates TLR-9 signaling on dendritic cells, shifts naive T-cells toward Th1 differentiation, and restores natural-killer-cell cytotoxicity in immunosuppressed models. It’s not an immunostimulant in the naive sense — it’s an immune-system normalizer. IF the research cohort is immunosuppressed, chronically viral, or recovering from acute immune stress, THEN Thymosin Alpha-1 is the peptide with the deepest clinical-evidence base. SO it belongs in hepatitis, sepsis-recovery, oncology-adjunct, and chronic-infection research protocols. Batch-verified ≥99% HPLC.

Research areas

• T-cell maturation

  <p>Drives thymocyte differentiation into CD4+ and CD8+ T-cells; restores T-cell populations in immunosuppressed cohorts.</p>

• Viral chronicity

  <p>Approved for chronic hepatitis B and C in 35+ countries; published oncology-adjunct data in non-small-cell lung cancer and melanoma.</p>

• NK cell activity

  <p>Restores natural-killer-cell cytotoxicity in published immunosenescence and chronic-viral-infection models.</p>

• Administration

  <p>Subcutaneous injection, typically 1.6 mg twice weekly in clinical protocols. Plasma half-life ~2 hours is offset by prolonged downstream immune effects.</p>

Storage & handling

Lyophilized Thymosin Alpha-1is stored at –20 °C protected from light. Once reconstituted with bacteriostatic water, store at 2–8 °C and use within 30 days for maximum stability.

Frequently asked questions

What is Thymosin Alpha-1?

Thymosin Alpha-1 (Thymosin Alpha-1) is a research compound studied in the area of cellular health. A 28-amino-acid immune-modulating peptide. Studied as a T-cell and natural-killer-cell activator in immunosuppressed or viral-chronic cohorts.

What is the CAS number of Thymosin Alpha-1?

The CAS registry number of Thymosin Alpha-1 is 62304-98-7.

How should Thymosin Alpha-1 be stored?

Lyophilized Thymosin Alpha-1 should be stored at –20 °C protected from light. Once reconstituted with bacteriostatic water, store at 2–8 °C and use within 30 days for maximum stability.

How is the purity of Thymosin Alpha-1 verified?

Every Woosh Labs batch of Thymosin Alpha-1 is independently tested by third-party HPLC and mass spectrometry, with a batch-specific Certificate of Analysis published verifying ≥99% purity.

Is Thymosin Alpha-1 for human use?

No. Thymosin Alpha-1 sold by Woosh Labs is strictly for in-vitro laboratory research by qualified professionals. It is not for human or veterinary use of any kind.