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ID: VILON STATUS: ACTIVE

Vilon

Research Only

Also known as: KE, Lys-Glu, Dilysine, KE dipeptide

A synthetic dipeptide (Lys-Glu) developed by Russian scientist Vladimir Khavinson as part of the peptide bioregulation framework. Claimed to support thymus gland function and immune modulation. No Western clinical validation exists; all research originates from Russian institutes.

Low Evidence 15 Sources

Research Statistics

Total Sources
15
Human Studies
2
Preclinical
10
Evidence Rating Very Low Evidence
Research Depth 1/5
Global Coverage 1/5
Mechanism Plausibility 2/5
Overall Score
1.5 /5

Anchor peptide for very-low evidence tier. Russian-only synthetic dipeptide (Lys-Glu) from Khavinson lab; all research from Russian institutes. Minimal published research even by Russian bioregulator standards. No Western replication; immune bioregulation mechanism is purely 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 Vilon and what does the research say?

Identity
Also Known As
KE • Lys-Glu • Dilysine • KE dipeptide
Type
Dipeptide
Length
2 amino acids
Weight
275.30 Da
Sequence
KE
Molecular Structure
K
E
Hydrophobic
Polar
Positive
Negative

Mechanism of Action

The proposed mechanisms of Vilon are based entirely on Russian research. No independent Western validation or controlled human clinical trials exist.

How It Works (Simplified)

Vilon targets immune function through thymus gland modulation:

1
Thymus Stimulation

Proposed to stimulate thymus gland function, promoting thymocyte proliferation and T-cell maturation that typically decline with age.

2
Chromatin Interaction

Short peptides like KE are claimed to penetrate cell nuclei and interact with DNA/chromatin, potentially affecting immune-related gene expression.

3
T-Cell Modulation

Russian studies claim effects on T-cell subpopulations, including helper and cytotoxic T-cells, though mechanisms are not well characterized.

4
Cytokine Effects

Proposed to modulate cytokine production including IL-2 and interferons, potentially affecting inflammatory and immune responses.

Scientific Pathways

Thymus Stimulation Pathway (Immune Support)

Vilon (KE) → Thymus Gland Interaction → Thymocyte Proliferation

                              T-Cell Maturation & Differentiation

                              Enhanced T-Cell Mediated Immunity

Epigenetic Modulation Pathway (Gene Expression)

Vilon → Nuclear Penetration → Chromatin/Histone Interaction → Heterochromatin Decondensation

                                                        Immune Gene Expression Changes

Note: These pathways are theoretical constructs based on Russian preclinical research. No independent Western validation confirms these mechanisms in humans.

Important Limitations

  • 100% of research from Russian institutes (primarily St. Petersburg Institute of Bioregulation and Gerontology)
  • No independent Western replication or validation studies
  • No controlled human clinical trials demonstrating immune benefits
  • Mechanism of action for a simple dipeptide affecting thymus function is not fully characterized
  • Pharmacokinetics, bioavailability, and optimal dosing in humans are unknown
  • Comparison to established immunomodulators (like Thymosin alpha-1) shows substantial evidence gap
  • Translation from animal studies to human immune benefits is completely unconfirmed

Evidence-Chained Benefits

Evidence-Chained Benefits

Research findings linked to mechanisms and clinical outcomes

Mechanism Thymus gland stimulation promoting T-cell maturation and differentiation
Emerging 4 direct studies
Benefit may support immune system function
Evidence Level
Very Low
1 Human
3 Animal
2 In Vitro
Mechanism Epigenetic modulation via chromatin interaction in immune cells
Emerging 3 direct studies
Benefit suggested to restore age-related decline in immune gene expression
Evidence Level
Very Low
1 Human
2 Animal
2 In Vitro
Mechanism Cytokine modulation affecting inflammatory balance
Emerging 2 direct studies
Benefit may modulate inflammatory responses
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 interactions with thymic tissue may begin. In vitro studies suggest rapid cellular uptake and chromatin interaction. Any immune parameter changes would not be detectable this early.

Russian protocols suggest continued treatment during this period. Animal studies show progressive changes in thymic architecture over weeks. Gene expression modifications may develop.

Extended treatment in animal models shows more pronounced effects on immune cell populations. Thymocyte counts and T-cell subsets reportedly affected. Human response timeline is unknown.

Week 8+

Long-term effects based on Russian animal studies using cyclical treatment protocols. Optimal human treatment duration and cycling are not established. Sustained immune benefits are unconfirmed.

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 Vilon 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 (~275 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 Vilon with other peptides. Based on published research and mechanistic considerations.

Synergistic
Compatible
Caution
Avoid

Both target thymus function - thymalin is a complex thymic extract while Vilon is a simplified synthetic dipeptide. May have overlapping mechanisms in immune modulation.

Fellow thymic bioregulator peptides from Russian research. Thymogen (EW) and Vilon (KE) represent different dipeptide approaches to thymus support.

Both target immune function - Ta1 is a 28-amino acid peptide with FDA orphan drug status, while Vilon is a minimal dipeptide approach. Different evidence quality levels.

Both Khavinson bioregulator peptides with distinct targets - Vilon for thymus/immune, epithalon for pineal/longevity. Often used together in Russian protocols.

Both Russian peptides with immune-related effects - Selank primarily anxiolytic with secondary immune modulation, Vilon specifically targets thymic function.

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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