Epitalon (Epithalon, AEDG)
Also: Epithalon, Epithalone, AEDG, Ala-Glu-Asp-Gly, Epithalon AEDG
This profile summarizes research context only. It is not medical advice and does not describe how to use this compound in humans or animals — no dosing, administration, or protocols. Learn more
Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly, also written AEDG) developed as a short-peptide analog of Epithalamin, a preparation originally associated with the pineal gland, and is described in the research literature as a "peptide bioregulator." It is most often discussed in preclinical work relating to telomere biology, telomerase activity, and pineal/melatonin signaling, primarily in cell-culture and rodent models. Human data are limited and concentrated within a small number of research groups, so findings require careful interpretation due to study design and translation limitations. Terminology varies across sources (Epitalon, Epithalon, Epithalone), and it should not be conflated with the parent extract Epithalamin. This profile is educational and research-oriented and does not describe human or animal use.
Mechanism as described in the literature
Epitalon (also written Epithalon or Epithalone) is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly (AEDG). It was developed as a short-peptide analog of Epithalamin, a peptide preparation originally associated with the pineal gland, and is classified in the research literature as a "peptide bioregulator." Mechanisms described in vitro and in animal models include reported modulation of gene expression and interactions discussed in relation to telomere biology and telomerase activity, alongside signaling discussed in relation to the pineal gland and melatonin/circadian regulation. These are described as putative, model-based mechanisms rather than established effects.
These mechanisms are characterized predominantly in cell-culture and rodent systems and through mechanistic hypotheses, rather than through well-replicated human pharmacology. Whether and how they translate to humans remains uncertain, and a substantial portion of the available work originates from a limited number of research lineages, which constrains independent confirmation and reproducibility. The available evidence is limited and requires careful interpretation due to study design and translation limitations.
Research areas
- Telomere biology and telomerase activity (reported in vitro and in animal models; not established as human outcomes)
- Pineal gland, melatonin, and circadian rhythm signaling (preclinical/mechanistic)
- Aging-related biomarkers studied in rodent models (preclinical)
- Gene-expression and regulatory-peptide mechanisms (in vitro/mechanistic)
- Analytical identity and purity characterization (HPLC/MS documentation visibility)
Documentation notes
References
Frequently asked questions
What is Epitalon?+
Epitalon is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly (AEDG). It is described in the research literature as a pineal-associated 'peptide bioregulator' and a short-peptide analog of the older preparation Epithalamin. This profile is educational and research-oriented; it does not describe human or animal use.
What does the research literature focus on for Epitalon?+
Published work most often discusses telomere biology and telomerase activity, plus pineal/melatonin and circadian signaling, mainly in cell-culture and rodent models. These are reported mechanisms and preclinical observations, not established human effects, and they require careful interpretation due to study design and translation limitations.
Is 'Epitalon' the same as 'Epithalon' or 'Epithalamin'?+
Epitalon, Epithalon, and Epithalone are commonly used spellings for the same AEDG tetrapeptide; terminology varies between sources and should be verified editorially. Epithalamin refers to the older, multi-component pineal preparation it was derived from and is not identical to the synthetic tetrapeptide.