Home›Research›Compare›Splenin vs Thymosin Alpha-1
Peptide ComparisonSplenin vs Thymosin Alpha-1
Both are Immune & Thymic peptides.
Splenin
Spleen peptide bioregulator
Half-life: Unknown
1 providers listed
Thymosin Alpha-1
Tα1
Half-life: 2 hours
212 providers listed
Thymosin Alpha-1 carries stronger published evidence (RCT, 2 key studies) than Splenin (Review, 2); both are research compounds.
Splenin
Evidence
Half-life
Unknown
Thymosin Alpha-1
Evidence
Half-life
2 hours
| Your goal | Better option |
|---|---|
| Stronger clinical evidence | Thymosin Alpha-1 |
| More provider options (1 vs 212) | Thymosin Alpha-1 |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
Splenin
Thymosin Alpha-1
Splenin
Thymosin Alpha-1
Combination of entecavir with thymosin alpha-1 in HBV-related compensated cirrhosis: a prospective multicente…
IL-15 Plus Thymosin α1 Reduces Senescent Hepatic CD8(+) T Cells in Hepatocellular Carcinoma via PI3K/AKT Supp…
About Splenin
Spleen-derived tetrapeptide bioregulator; normalizes leukocyte and platelet production; modulates splenic immune cell activity
About Thymosin Alpha-1
Tα1 modulates both innate and adaptive immune responses by stimulating the differentiation and maturation of T-cells, dendritic cells, and natural killer cells. It upregulates MHC class I and II expression, enhancing antigen presentation. It also promotes the production of key cytokines including interferon-γ and interleukin-2, which are central to immune surveillance.
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
Splenin
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
Thymosin Alpha-1
Under clinical review
Being verified by our medical team before we display contraindications for this peptide.
Splenin
Not enough vendor pricing yet.
Thymosin Alpha-1
Where to source these peptides
Splenin
1 listed
Browse directory →
Providers offeringThymosin Alpha-1
212 listed
Browse directory →
PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.
More Immune & Thymic Comparisons
Browse all peptides →Educational research tools — not medical advice.
Cite this page
Data last updated July 20, 2026
Free to reference and republish with attribution to PeptideBase. Choose a format:
PeptideBase. (2026). Splenin vs Thymosin Alpha-1 — Per-mg Price Comparison. Retrieved July 22, 2026, from https://peptidebase.io/peptides/compare/splenin/thymosin-alpha-1