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Livagen

Tetrapeptide bioregulator · claimed hepatic tissue modulator

EVIDENCE GRADE
D
Anecdotal
TYPE
Longevity
EU
NOT AUTHORISED
US
NOT AUTHORISED
MOLECULAR INFORMATION

Molecular information

Length
4 amino acids
Type
Tetrapeptide bioregulator · claimed hepatic tissue modulator
Amino acid sequence
Lys-Glu-Asp-Ala

Livagen is one of the Khavinson family of “short bioregulator peptides”.

Claims vs evidence

  • Hepatic tissue support — preclinical only, single-group
  • Immune-system modulation — claimed; human evidence absent

Why we grade it D

Single-source evidence pattern. See Epitalon for the broader methodological critique that applies across this family.

Frequently asked questions

What is Livagen?
A short tetrapeptide (Lys-Glu-Asp-Ala) from the Khavinson "bioregulator" family. Claimed to support hepatic (liver) tissue function and immune regulation.
Is Livagen authorised?
No — grey-market only. Not authorised by any major regulator.
Why grade D?
Single-research-group literature with no Western replication, same as the rest of the Khavinson family.
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