Exceptional purity for peptide research
We've been sourcing research-grade peptides for several years. Rainbow Peptide's vials consistently pass our HPLC verification — purity exceeds 98% every batch. COA matched our internal testing exactly.
Thymosin Alpha-1 (TA1) immune-regulatory peptide in oral capsule format, 10mg per capsule. Approved as Zadaxin in 35+ countries. Studied for T-cell maturation and innate immunity. COA included.
| Format | Capsule |
|---|---|
| Dosage | 10mg per capsule / 30 capsules |
| Purity | >98% |
In Stock — Overnight and 2–3 day delivery available
Thymosin Alpha-1 (Tα1) is a 28-amino acid peptide derived from the thymic hormone prothymosin alpha, commercially approved as Zadaxin in over 35 countries for hepatitis B, hepatitis C, and immune deficiency. These oral capsules (10mg per capsule, 30 capsules) provide a research format for studying innate immune activation, T-cell maturation, and toll-like receptor signaling.
Thymosin Alpha-1 is studied in viral hepatitis, HIV-associated immune dysfunction, cancer immunology, and sepsis models. Often used alongside KPV capsules for comprehensive immune-modulatory research. Zadaxin approval data provides robust clinical reference context.
For Research Use Only. Rainbow Peptide supplies this compound exclusively for in vitro and laboratory research purposes. Not for human or veterinary use.
Third-Party Verified
We don't just claim purity — we prove it. Every batch of Thymosin Alpha-1 Capsules (10mg) is independently tested by an accredited third-party laboratory before it reaches you. Your COA is linked to your specific lot number.
Verified purchases from active research labs and scientists
We've been sourcing research-grade peptides for several years. Rainbow Peptide's vials consistently pass our HPLC verification — purity exceeds 98% every batch. COA matched our internal testing exactly.
Third order now. Consistent batch-to-batch results matter enormously in long-term research. Certificate of Analysis is detailed with mass spec data. Would not switch sources.
Verified against our reference standards. Purity >98.2% by HPLC. Packaging was appropriate for temperature-sensitive peptides. Will re-order.