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PreclinicalImmuneSubQDaily for 10–20 daysPartial data

Livagen

Lys-Glu-Asp-Ala · KEDA

Khavinson liver-derived tetrapeptide. Activates ribosomal gene transcription and decondenses heterochromatin in senescent lymphocytes.

§ 01   Overview

Overview

Khavinson liver-derived tetrapeptide. Activates ribosomal gene transcription and decondenses heterochromatin in senescent lymphocytes.

Khavinson lab. Limited Western replication.

§ 02   Mechanism

Mechanism of action

Livagen (KEDA) is proposed to activate transcription of ribosomal genes and decondense pericentromeric heterochromatin, which may restore expression in senescent lymphocytes and aged intestinal enzymes.

  • 01Gene-expression effects in aged lymphocytes
  • 02Restoration of intestinal enzyme activity in aged rats

§ 03   Dosing

Dosing protocol

Standard Protocol

Dose Range
5 – 10 mg per course
Route
SubQ
Frequency
Daily for 10–20 days

§ 04   Evidence

Evidence & research

Preclinical

Khavinson lab. Limited Western replication.

FDA Status

Not FDA-approved.

§ 06   News

In the news

8 articles from the last 12 months · updates hourly

§ 07   Sourcing

Sourcing & supply

Regulatory status

Authentic supply from international sources

Authentic product originates from specific international manufacturers, most commonly Russian pharmaceutical facilities for Khavinson bioregulators. RUO vendors selling the same name are typically Chinese-synthesized research vials, not the original product.

International · 2

International

Cosmic Nootropic

The most credible Russian / Khavinson source for US buyers. Sources authentic bioregulators through 'Peptides Company' (ex-NPCRIZ).

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International

Rupharma

12+ year Russian pharmacy reseller. Reviews.io 4.84/5 (81+). Has a genuine US warehouse for common peptides.

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Listings are informational, not endorsement. Verify credentials and flags against FDA and PCAB databases before purchasing. Full directory & how to verify →

§ 09   Safety

Safety & side effects

Side effects

  • 01Limited data

Contraindications

None specified.

§ 10   Questions

Livagen FAQ

What is Livagen?
Khavinson liver-derived tetrapeptide. Activates ribosomal gene transcription and decondenses heterochromatin in senescent lymphocytes. Livagen (KEDA) is proposed to activate transcription of ribosomal genes and decondense pericentromeric heterochromatin, which may restore expression in senescent lymphocytes and aged intestinal enzymes.
What is Livagen used for?
Reported uses include gene-expression effects in aged lymphocytes and restoration of intestinal enzyme activity in aged rats. Evidence strength is rated Preclinical — see the evidence section for detail.
How is Livagen dosed?
Commonly referenced dosing is 5 – 10 mg per course, typically daily for 10–20 days, administered SubQ. This is educational reference only; consult a licensed clinician before use.
What are the side effects of Livagen?
Commonly reported side effects include limited data. This list is not exhaustive.
Is Livagen legal?
Authentic product originates from specific international manufacturers, most commonly Russian pharmaceutical facilities for Khavinson bioregulators. RUO vendors selling the same name are typically Chinese-synthesized research vials, not the original product. FDA status: Not FDA-approved..

§ 11   References

Selected references

  1. 01

    Heterochromatin decondensation

    PMID: 19526184

This site is for educational and research purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide or supplement.