Epithalon Thymalin

<p>Epithalon Thymalin is a combination research blend pairing two peptide bioregulators studied in the context of pineal/endocrine aging and thymic immune function: Epitalon (Ala-Glu-Asp-Gly, the synthetic tetrapeptide version of Epithalamin) and Thymalin (a peptide extract of thymus tissue also studied as a series of bioactive dipeptides).</p> <p><strong>Mechanism rationale:</strong> Epitalon/Epithalon has been studied as a pineal tetrapeptide with effects on telomerase activity and circadian regulation, summarized in a recent overview as a highly bioactive pineal compound with promise in longevity-related models (Anisimov, 2025, PMID 40141333). Thymalin, a thymic peptide preparation, has been studied for activation of hematopoietic stem cell differentiation in vitro and for immunomodulatory effects in aging models (Kuznik et al., 2020, PMID 33237528; Khavinson et al., 2002, PMID 12577695 — the latter a long-term geroprotective study pairing Thymalin with Epithalon/Epithalamin). Researchers use the two together to model combined endocrine-axis (pineal) and immune-axis (thymic) signaling in the same experimental context, particularly in aging-biology research.</p> <p><strong>Research applications:</strong> aging-biology research, combined neuroendocrine/immune signaling studies, telomere and hematopoietic stem cell research.</p> <p><strong>Market context:</strong> Two supplier listings from Direct Peptides US at $43.14/mg and $56.39/mg (likely different vial sizes), reflecting a small but active catalog for this two-bioregulator blend.</p> <p><strong>Cited research:</strong></p> <ul> <li>Anisimov VN. "Overview of Epitalon—Highly Bioactive Pineal Tetrapeptide with Promising Properties." <em>Int J Mol Sci.</em> 2025. PMID: 40141333</li> <li>Kuznik BI, et al. "Thymalin: Activation of Differentiation of Human Hematopoietic Stem Cells." <em>Bull Exp Biol Med.</em> 2020. PMID: 33237528</li> <li>Khavinson VKh, et al. "Geroprotective effect of thymalin and epithalamin." <em>Adv Gerontol.</em> 2002. PMID: 12577695</li> </ul> <p><em>For research purposes only. Not for human use. Not a drug, biologic, or dietary supplement. Not evaluated for safety, purity, or efficacy in humans or animals outside a controlled research setting.</em></p>