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ID: LIVAGEN STATUS: ACTIVE

Livagen

Research Only

Also known as: KED, Lys-Glu-Asp, Hepatogen

A synthetic tripeptide (Lys-Glu-Asp) developed by Russian scientist Vladimir Khavinson, claimed to support liver function and modulate hepatic gene expression. Minimal Western validation exists; all research originates from Russian institutions with no controlled human clinical trials.

Other Low Evidence 12 Sources

Research Statistics

Total Sources
12
Human Studies
2
Preclinical
8
Evidence Rating Very Low Evidence
Research Depth 2/5
Global Coverage 1/5
Mechanism Plausibility 2/5
Overall Score
1.5 /5

Russian bioregulator with exclusively Khavinson institute research; no independent Western replication and chromatin-binding mechanism remains theoretical.

Last reviewed February 2026 How we rate →
!
Evidence Level
low
Not approved for human use by any regulatory agency
Limited human clinical trial data
Consult a healthcare provider before use
Not FDA Approved WADA Prohibited

Research Dossier

01 / 7

Overview

What is Livagen and what does the research say?

Identity
Also Known As
KED • Lys-Glu-Asp • Hepatogen
Type
Tripeptide
Length
3 amino acids
Weight
~390 Da
Sequence
KED
Molecular Structure
K
E
D
Hydrophobic
Polar
Positive
Negative

Mechanism of Action

The proposed mechanisms of Livagen are based entirely on Russian bioregulator research. No independent Western validation or human mechanistic data from controlled trials exists.

How It Works (Simplified)

Livagen targets liver function through gene expression modulation and related pathways:

1
Hepatic Gene Modulation

Claimed to interact with DNA in hepatocytes, modulating expression of genes involved in liver function and regeneration.

2
Chromatin Remodeling

Proposed to decondense heterochromatin in liver cells, potentially reactivating genes that become silenced with age or damage.

3
Hepatoprotection

Cell culture studies suggest protection of hepatocytes from toxic insults, though mechanism is not fully characterized.

4
Antioxidant Support

Russian studies suggest upregulation of hepatic antioxidant defenses, reducing oxidative damage in liver tissue.

Scientific Pathways

Hepatic Gene Expression Pathway (Proposed)

Livagen (KED) → DNA/Histone Interactions → Hepatocyte Gene Modulation

                                    Upregulation of Liver-Specific Proteins

                                    Enhanced Hepatocyte Function & Regeneration

Chromatin Remodeling Pathway (Proposed)

Livagen → Histone Interactions → Heterochromatin Decondensation in Hepatocytes

                                    Reactivation of Age-Silenced Hepatic Genes

Note: These pathways are based on Russian bioregulator theory. The specific molecular targets and mechanisms have not been independently validated.

Important Limitations

  • 100% of research from Russian institutions (primarily St. Petersburg Institute of Bioregulation and Gerontology)
  • No independent Western replication of any findings
  • No controlled human clinical trials have been conducted
  • Specific molecular targets and binding sites not characterized
  • Pharmacokinetics, bioavailability, and metabolism in humans unknown
  • Translation from cell culture to human liver benefits is unconfirmed
  • Regulatory status: Not approved anywhere; research compound only

Evidence-Chained Benefits

Evidence-Chained Benefits

Research findings linked to mechanisms and clinical outcomes

Mechanism Modulation of hepatic gene expression via epigenetic interactions
Emerging 3 direct studies
Benefit suggested to support liver cell function and regeneration
Evidence Level
Very Low
2 Animal
3 In Vitro
Mechanism Chromatin decondensation in hepatocytes enabling gene reactivation
Emerging 2 direct studies
Benefit may restore age-related decline in liver function
Evidence Level
Very Low
1 Human
2 Animal
1 In Vitro
Mechanism Upregulation of hepatic antioxidant defenses
Emerging 2 direct studies
Benefit may reduce oxidative damage to liver tissue
Evidence Level
Very Low
2 Animal
1 In Vitro
Mechanism Confidence
Established
Supported
Emerging
Evidence Level
High
Moderate
Low
Very Low

What to Expect

Timeline based on observations from published studies. Individual responses may vary.

Based on preclinical data: Initial effects on hepatic gene expression may begin. Cell culture studies suggest gene modulation occurs within days of treatment. No human pharmacokinetic data available.

Continued treatment in animal models shows progressive hepatoprotective effects. Chromatin remodeling and epigenetic changes may develop in liver tissue. Russian protocols typically involve treatment courses of several weeks.

Extended treatment periods in animal studies associated with improved liver function markers. Russian protocols often involve cyclical treatment patterns. Human response timeline is unknown.

Week 8+

Long-term effects are extrapolated from animal studies. Russian bioregulator protocols typically recommend cyclical treatment courses. Human pharmacokinetics, optimal duration, and long-term effects are completely uncharacterized.

Research-Based Observations

This timeline reflects observations from published clinical and preclinical studies. Individual responses may vary significantly. This is not a guarantee of effects or a dosing schedule. Consult qualified healthcare providers for personalized guidance.

Quality Checklist

Visual indicators to help evaluate Livagen product quality

Good Signs (7 indicators)
White lyophilized powder
Dissolves readily in bacteriostatic water
Clear, colorless solution after reconstitution
Certificate of analysis showing >98% purity
HPLC verification of sequence
Mass spectrometry confirmation (~390 Da)
Proper vacuum seal on vial
Warning Signs (5 indicators)
Off-white or slightly discolored powder
Slow dissolution time
No third-party testing verification
Purity between 95-98%
Unclear manufacturing source
Bad Signs (7 indicators)
Yellow or brown discoloration
Visible particles after reconstitution
Cloudy solution
No certificate of analysis
Unusual odor
Compromised seal or packaging
Cannot verify source authenticity
Positive quality indicator
Requires evaluation
Potential quality issue

For Research Evaluation Only

These quality indicators are general guidelines based on typical peptide characteristics. Professional laboratory testing (HPLC, mass spectrometry) provides definitive quality verification. This checklist is for initial visual evaluation only.

Peptide Interactions

Known and theoretical interactions when combining Livagen with other peptides. Based on published research and mechanistic considerations.

Synergistic
Compatible
Caution
Avoid

Both Khavinson bioregulator peptides with distinct targets - epithalon for telomerase/pineal, Livagen for hepatic gene expression. No known direct interactions.

Vilon

Compatible
Compatible

Both short peptide bioregulators from Russian research - Vilon targets thymus/immune function, Livagen targets liver. May be used in combination protocols.

Both Russian bioregulator peptides - thymalin for immune modulation, Livagen for hepatic support. Different tissue targets suggest compatibility.

Different mechanisms for tissue support - BPC-157 broadly cytoprotective, Livagen specifically hepatic-focused. No known contraindications.

Research Note: Interaction data is based on published literature, mechanistic understanding, and theoretical considerations. Most peptide combinations lack direct clinical study. This information is for educational purposes only and does not constitute medical advice. Always consult qualified healthcare providers.

References

Methodology Note

This dossier synthesizes available evidence from peer-reviewed literature, regulatory documents, and clinical trial registries. Evidence strength ratings follow a modified GRADE approach.

For complete methodology details, see our Methodology page.

Important Disclaimer

This dossier is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before making health decisions.

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