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Livagen

Moderate research

KEDA Tetrapeptide | Liver Bioregulator

LongevityImmune

Livagen is a Khavinson bioregulator tetrapeptide (KEDA) with significant hepatoprotective and immunomodulatory properties.

Molecular & research data

Sequence
Lys-Glu-Asp-Ala
Molecular weight
432 Da
Half-life
Not established
Routes (research)
Oral, Injectable
Storage
Oral capsules: Room temperature. Injectable reconstituted: 2-8°C refrigerated

Overview

Livagen is a Khavinson bioregulator tetrapeptide (KEDA) with significant hepatoprotective and immunomodulatory properties. Structurally similar to Epitalon, it normalizes immune and antioxidant status while restoring liver function in hepatitis conditions. Livagen is best known for its ability to decondense chromatin, activating silent genes including ribosomal genes to boost protein synthesis and cellular activity. Maximum protective effects occur during aging.

Mechanism of action

Livagen works through direct effects on DNA structure and function. It decondenses chromatin (tightly packed DNA), increasing expression of certain genes and improving the ‘youthful’ profile of cells. The peptide activates multiple genes in lymphocytes, including previously silent ribosomal genes, boosting protein synthesis and cell activity. It exhibits hepatoprotective effects through normalizing immune and antioxidant status in liver tissue.

Key research findings

  • Significant hepatoprotective properties
  • Decondenses chromatin to activate genes
  • Restores liver function in hepatitis
  • Normalizes immune status
  • Improves antioxidant status
  • Activates ribosomal gene expression
  • Maximum effects occur during aging
  • Boosts protein synthesis and cell activity

Research applications

Liver Support

  • Hepatoprotection — Protects liver tissue through normalizing immune and antioxidant status.
  • Hepatitis Support — Restores liver functions in both acute and chronic hepatitis models.
  • Liver Fibrosis — Shows protective properties in liver fibroid induration models.

Anti-Aging

  • Chromatin Remodeling — Decondenses chromatin to restore youthful gene expression patterns.
  • Age-Related Liver Decline — Maximum hepatoprotective effects occur during aging.
  • Gene Activation — Activates silent genes including ribosomal genes for improved protein synthesis.

Immune Support

  • Immunomodulation — Normalizes immune function alongside liver protective effects.

Livagen FAQ

What does 'decondensing chromatin' actually do?+

Chromatin decondensation refers to loosening tightly-packed DNA, making previously silent genes accessible for expression. Livagen activates this process, turning on genes related to protein synthesis and cellular function that typically decrease with age. This restores more youthful gene expression patterns.

Is Livagen the same as Epitalon?+

No, though they're both Khavinson bioregulator tetrapeptides with similar structures. Livagen (KEDA) focuses on liver function and chromatin remodeling, while epitalon targets the pineal gland. They're often used together in comprehensive anti-aging protocols.

How do I know if Livagen is working?+

Benefits from Livagen are subtle and build over weeks. Liver function markers (transaminases, bilirubin) may improve on blood work. Systemic effects include improved immune markers and energy. Results are assessed best through lab work and multi-week observation rather than immediate symptoms.

Can I take Livagen continuously or do I need to cycle?+

Traditional protocols recommend 10-20 day cycles, 2-3 times per year with breaks between cycles. This allows chromatin changes and gene expression effects to take hold while avoiding potential adaptation. Continuous daily use hasn't been well-studied.

References

  1. [1]Influence of KEDA Tetrapeptide on Organism Physiological FunctionAdvances in Gerontology
  2. [2]Effects of Livagen Peptide on Chromatin Activation in Lymphocytes from Old PeopleBulletin of Experimental Biology and Medicine
  3. [3]Hepatoprotective Properties of KEDA in Hepatitis ModelsExperimental Biology and Medicine
  4. [4]Khavinson Peptide BioregulatorsAdvances in Gerontology

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Last reviewed: 2026-06-26. Information is provided for research and educational reference only — see our disclaimer.