Thymosin Alpha-1 vs Thymalin: Research Comparison
A Side-By-Side Research Comparison Of Thymosin Alpha-1 And Thymalin - two thymic immune-modulating research peptides. This Reference Compares Mechanism, Evidence Tier, Molecular Identity, And Pharmacokinetics For Qualified Researchers. For In Vitro Laboratory Research Use Only. Not Medical Advice Or Dosing Guidance.
Side-By-Side Comparison
| Thymosin Alpha-1 | Thymalin | |
|---|---|---|
| Category | Immunity & Wellness | Anti-Aging & Longevity |
| Compound Class | 28-amino acid peptide; N-terminal fragment of prothymosin alpha; biological response modifier | Polypeptide thymic bioregulator derived from calf thymus tissue |
| Evidence Tier | Approved Drug | Research Compound |
| Molecular Target | TLR2/TLR9 signaling; dendritic cell maturation; T-helper (Th1) polarization; NK cell cytotoxicity; NF-kB immunomodulation | T-lymphocyte differentiation and maturation; thymic hormones (thymosin, thymopoietin analog); IL-2 / IFN-gamma restoration |
| Molecular Weight | 3108.3 Da | Heterogeneous mixture; roughly 80 to 90 percent of components fall between 600 and 6000 Da |
| Amino Acid Sequence | Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN-OH | Calf thymus low-molecular-weight polypeptide complex; not a single molecule. Constituent dipeptides include Glu-Trp (Thymogen / Oglufanide, CAS 38101-59-6) and Lys-Glu (Vilon, CAS 45234-02-4). |
| CAS Number | 62304-98-7 | 131183-11-4 (Thymalin, calf thymus polypeptide complex) |
| Half-Life | ~2 hours | ~15 minutes |
| Studied For | Chronic hepatitis B treatment, Chronic hepatitis C treatment, Cancer immune adjunct therapy, Vaccine adjuvant | Immunosenescence reversal, Immune system restoration in aging, Infection resistance enhancement, T-cell function restoration |
About Thymosin Alpha-1
A well-studied immune-modulating peptide approved abroad for hepatitis and as a cancer adjunct.
Read The Full Thymosin Alpha-1 MonographAbout Thymalin
A thymus-derived immune-modulating preparation studied mainly in older Russian literature for immune restoration.
Read The Full Thymalin MonographKey Differences
- Thymosin Alpha-1 is categorized under Immunity & Wellness, while Thymalin falls under Anti-Aging & Longevity.
- Evidence tier differs: Thymosin Alpha-1 is classified as Approved Drug; Thymalin is classified as Research Compound.
- Reported half-life differs: Thymosin Alpha-1 at ~2 hours versus Thymalin at ~15 minutes.
- Primary molecular target differs: Thymosin Alpha-1 acts on TLR2/TLR9 signaling; dendritic cell maturation; T-helper (Th1) polarization; NK cell cytotoxicity; NF-kB immunomodulation; Thymalin acts on T-lymphocyte differentiation and maturation; thymic hormones (thymosin, thymopoietin analog); IL-2 / IFN-gamma restoration.
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Thymosin Alpha-1 · Thymalin · Compare Tool · Research Library
This Comparison Is Provided For In Vitro Laboratory Research Use Only. Not For Human Consumption, Diagnosis, Or Treatment. See The Full Research Disclaimer.