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| Attribute | ![]() |
|---|---|
| Category | Immune & Inflammation |
| Evidence grade | B Limited human data |
| Regulatory status | Approved outside the US |
| Human amounts | None establishedDosing reference Study durations |
| Format | Lyophilized vial |
| Type | Single compound |
| Molecular formula | C129H215N33O55 |
| Molecular weight | 3,108.3 g/mol |
| CAS number | 62304-98-7 |
| Sequence | Not listed |
| References | 10 |
| Summary | Thymosin alpha-1 is a 28-amino-acid thymic peptide, and its synthetic form thymalfasin is approved in a number of countries outside the United States. It has been studied in hepatitis, sepsis, and as a vaccine adjunct, with mixed trial findings. It is not FDA-approved. |
