Molecular Reference

Epitalon vs Livagen

How Epitalon and Livagen compare — what each is, how strong the human evidence is for each, doses reported in research, the key risks, and 2026 US legal status. No universal winner.

Compound A

Epitalon

Animal-onlyUnclear⚠ none in humans

Compound B

Livagen

In-vitroUnclear⚠ none in humans

Epitalon and Livagen come up together when people are weighing similar options. Here's the honest side-by-side: what each is, how strong the human evidence is for each, the doses reported in research, the risks, and where each stands with the FDA as of 2026. There's no universal winner — scroll to the by-goal picks for which one fits which goal.

Epitalon vs Livagen, point by point

Every dimension side by side — the honest differences, not a scoreboard.

DimensionEpitalonLivagen
What it isSynthetic pineal tetrapeptide (a 4-amino-acid peptide, Ala-Glu-Asp-Gly, modeled on the pineal-gland extract epithalamin)Synthetic Khavinson tetrapeptide (a four-amino-acid peptide, Lys-Glu-Asp-Ala or KEDA)
Class / categoryLongevity / mitochondrialLongevity / mitochondrial
Evidence tierAnimal-only · Unclear · none in humansIn-vitro · Unclear · none in humans
Studied / approved forAnti-aging / lifespan extension; Telomere maintenance; Sleep & circadian regulationChromatin activation in cultured lymphocytes; Liver-cell morphology in organotypic culture
US regulatory status (2026)research use only (as of Jul 2026)research use only (as of Jul 2026)
Doses reported in researchNo established study dosesNo established study doses
Registered trials (ClinicalTrials.gov)0No data
Banned in sport (WADA)Yes — on the WADA prohibited listYes — on the WADA prohibited list
Key risksEpitalon's honest safety answer is "we don't really know in humans." No human safety trial of the synthetic peptide has been published, and long-term human data does not exist. Animal studies reported few obvious toxic effects at the small doses used, which is reassuring but not the same as human safety. The bigger real-world risk is the product itself — research-chemical vials vary in purity and sterility. Livagen has no published controlled human safety trial, so adverse-event frequency, contraindications, interactions, pharmacokinetics, and long-term risks are not established. Cell and animal findings cannot answer whether an injected or oral product is safe in people. Research-market products add separate uncertainties around identity, dose accuracy, purity, and sterility.
  • Evidence tier: A tier reflects how human the evidence is, not a promise the compound works.

Epitalon vs Livagen: the two molecules

The 2D chemical structures, straight from PubChem — a quick way to see how similar (or not) the two actually are.

2D chemical structure of Epitalon (PubChem CID 219042)
Structure image: PubChem CID 219042, National Library of Medicine (NIH).
2D chemical structure of Livagen (PubChem CID 87919683)
Structure image: PubChem CID 87919683, National Library of Medicine (NIH).

Which one fits which goal?

There's no universal winner here — the honest answer depends on what you're after. These picks are framed by goal, and each says why.

  • If you want the option with more human evidence behind it

    Leans toward Epitalon

    Epitalon's evidence sits at animal-only, a more human tier than Livagen's in-vitro. That reflects how the data was gathered, not a guarantee it works.

References

  1. 1.Khavinson et al. 2003 — epitalon induces telomerase & telomere elongation in human cells (PubMed)NIH
  2. 2.Al-dulaimi et al. 2025 — epitalon increases telomere length in human cell lines (PubMed)NIH
  3. 3.Anisimov et al. 2003 — epitalon, lifespan & tumor incidence in SHR mice (PubMed)NIH
  4. 4.Khavinson & Morozov 2003 — pineal & thymus peptides (epithalamin) and human life (PubMed)NIH
  5. 5.Araj et al. 2025 — overview review of epitalon (PubMed)NIH
  6. 6.Epitalon — registered clinical studies (ClinicalTrials.gov)NIH