# Livagen: Reference Overview and Reconstitution Notes - facts

Canonical page: https://www.preppinpeppers.com/blogs/the-lab/livagen
Type: Lab article

## TL;DR

Livagen (Lys-Glu-Asp-Ala) is a synthetic tetrapeptide Khavinson bioregulator, grouped under liver-focused tissue bioregulators. Research use only; lab notes.

## Facts Index

| Fact ID | Category | Entity | Attribute | Value | Source | Evidence |
|---|---|---|---|---|---|---|
| livagen:title | identity | Livagen: Reference Overview and Reconstitution Notes | title | Livagen: Reference Overview and Reconstitution Notes | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:published | identity | Livagen: Reference Overview and Reconstitution Notes | published | 2026-08-15 | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:last-reviewed | identity | Livagen: Reference Overview and Reconstitution Notes | last reviewed | 2026-10-03 | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:author | identity | Livagen: Reference Overview and Reconstitution Notes | author | Preppin' Peppers Editorial Team | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:topics | identity | Livagen: Reference Overview and Reconstitution Notes | topics | research, Research-only | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:summary | content | Livagen: Reference Overview and Reconstitution Notes | summary | Livagen (Lys-Glu-Asp-Ala) is a synthetic tetrapeptide Khavinson bioregulator, grouped under liver-focused tissue bioregulators. Research use only; lab notes. | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-1 | content | Livagen: Reference Overview and Reconstitution Notes | section | What it is | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-2 | content | Livagen: Reference Overview and Reconstitution Notes | section | Livagen | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-3 | content | Livagen: Reference Overview and Reconstitution Notes | section | What it is | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-4 | content | Livagen: Reference Overview and Reconstitution Notes | section | Research context and categorization | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-5 | content | Livagen: Reference Overview and Reconstitution Notes | section | Status | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-6 | content | Livagen: Reference Overview and Reconstitution Notes | section | Reconstitution notes (general) | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-7 | content | Livagen: Reference Overview and Reconstitution Notes | section | Dilution and handling notes (compound-specific) | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-8 | content | Livagen: Reference Overview and Reconstitution Notes | section | Handling and storage | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-9 | content | Livagen: Reference Overview and Reconstitution Notes | section | Related reading | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-10 | content | Livagen: Reference Overview and Reconstitution Notes | section | Tools and supplies | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:section-12 | content | Livagen: Reference Overview and Reconstitution Notes | section | What the research community gets wrong about Livagen handling | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/blogs/the-lab/livagen |
| livagen:product-gansulin-metal-peptide-pen | products | Livagen: Reference Overview and Reconstitution Notes | references product | Gansulin Pen · Reusable Click-Dial, 3 ml (1-60 Units) | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/products/gansulin-metal-peptide-pen |
| livagen:product-gansulin-3ml-cartridge | products | Livagen: Reference Overview and Reconstitution Notes | references product | Gansulin-Compatible 3 ml Glass Cartridge for Pens (10-Pack) | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://www.preppinpeppers.com/products/gansulin-3ml-cartridge |
| livagen:source-pubchem-ncbi-nlm-nih-gov | source | Livagen: Reference Overview and Reconstitution Notes | cites | NCBI PubChem CID 87919683: Livagen (C18H31N5O9) - pubchem.ncbi.nlm.nih.gov | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://pubchem.ncbi.nlm.nih.gov/compound/87919683 |
| livagen:source-pubmed-ncbi-nlm-nih-gov | source | Livagen: Reference Overview and Reconstitution Notes | cites | Khavinson VKh et al., Bull Exp Biol Med 2002: Effects of Livagen peptide on chromatin activation in lymphocytes from old people - pubmed.ncbi.nlm.nih.gov | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://pubmed.ncbi.nlm.nih.gov/12533768/ |
| livagen:source-pubmed-ncbi-nlm-nih-gov-2 | source | Livagen: Reference Overview and Reconstitution Notes | cites | Khavinson VKh et al., Bull Exp Biol Med 2004: Effects of short peptides on lymphocyte chromatin in senile subjects - pubmed.ncbi.nlm.nih.gov | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://pubmed.ncbi.nlm.nih.gov/15085253/ |
| livagen:source-pubmed-ncbi-nlm-nih-gov-3 | source | Livagen: Reference Overview and Reconstitution Notes | cites | Tutel'yan et al., Bull Exp Biol Med 2003: Physiological role of short peptides in nutrition - pubmed.ncbi.nlm.nih.gov | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://pubmed.ncbi.nlm.nih.gov/12717498/ |
| livagen:source-pubmed-ncbi-nlm-nih-gov-4 | source | Livagen: Reference Overview and Reconstitution Notes | cites | Lezhava and Jokhadze, Ann N Y Acad Sci 2007: Activation of pericentromeric and telomeric heterochromatin in cultured lymphocytes from old individuals - pubmed.ncbi.nlm.nih.gov | Lab article (https://www.preppinpeppers.com/blogs/the-lab/livagen) | https://pubmed.ncbi.nlm.nih.gov/17460203/ |

## FAQ

### What is Livagen and what is its chemical sequence?

Livagen is a synthetic tetrapeptide in the Khavinson bioregulator class. Its amino-acid sequence is Lys-Glu-Asp-Ala (KEDA). It is a research-only compound with no FDA approval or established human use.

### Is Livagen FDA-approved or permitted for human use?

No. Livagen is a research chemical with no FDA approval and no approved human or veterinary use. Its described effects derive mainly from Russian preclinical studies with limited independent replication.

### How is lyophilized Livagen reconstituted for lab use?

Lyophilized Livagen powder is reconstituted by slowly adding bacteriostatic water along the vial wall via a reconstitution pen, then gently swirling until dissolved. Apply sterile technique and follow supplier storage guidelines.

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