Epitalon / Epithalon

ID: epitalon

Aliases: Epithalon, Epitalon, Ala-Glu-Asp-Gly, AEDG, EPITALON

Type: compound

Route/form: research peptide; preclinical studies used injection and human route is not established

Status: research

Evidence level: preclinical

Best data tier: non-human experimental

Support scope: non-human/mechanistic

Source types: in_vitro, preclinical

Linked sources: 3

Broad outcomes: Brain / mood / sleep, Longevity / mitochondrial / redox

Reading note: These are curation notes anchored to linked sources, not a clinical recommendation or protocol.

Targets / mechanism

• telomerase activity claim
• pineal peptide bioregulator hypothesis
• oxidative-stress and circadian-aging hypotheses

Optimization domains

• longevity
• aging
• telomeres
• sleep
• mitochondrial

Research basis

• In vitro human-cell work and animal papers report telomerase/telomere or lifespan/tumor signals that explain longevity-optimization interest.
• The molecule is simple and repeatedly discussed as a pineal-derived peptide bioregulator, so it deserves a skeptical repository entry.

Limits, risks, and missing evidence

• Human interventional outcome evidence is weak, geographically narrow, and not comparable to modern longevity RCT standards.
• Telomerase activation is not automatically desirable; cancer biology, dose translation, purity, and long-term endocrine/circadian effects remain unresolved.

Risk flags

• preclinical heavy
• limited human data
• telomerase cancer context
• unapproved context

Linked papers, labels, and reviews

1. Epithalon peptide induces telomerase activity and telomere elongation in human somatic cells
   in_vitro / pubmed_epitalon_telomerase_2003
   Human fetal fibroblast culture study reporting telomerase activity and telomere elongation after Epithalon exposure.
2. Effect of pineal peptide on parameters of the biological age and life span in mice
   preclinical / pubmed_epitalon_lifespan_mice_2001
   Mouse lifespan/aging-parameter study with subcutaneous synthetic tetrapeptide Epithalon.
3. Epithalon decelerates aging and suppresses development of breast adenocarcinomas in transgenic HER-2/neu mice
   preclinical / pubmed_epithalon_her2_mice_2002
   Transgenic mouse study reporting lifespan and tumor-development effects; important for both longevity rationale and cancer-biology caveats.