A to Z / Longevity
Livagen
Also known as Lys-Glu-Asp-Ala, liver bioregulator.
Best known for The liver bioregulator
Evidence★☆☆☆☆
Safety dataLargely unknown
Route Injectable · oral
United StatesNot approved
AustraliaNot listed by name; unapproved therapeutic good
as at 16 September 2026
What it is and what it does
Livagen is a four-amino-acid peptide from the Russian bioregulator programme, where it was assigned to the liver. It is still at an early research stage and is not approved as a medicine. It is commonly discussed for liver function and detoxification.
What the full entry covers
The book carries the rest of this entry:
- Where the research stands, with every claim cited
- What people commonly ask, and what the research shows so far
- Dosing in four labelled bands, described and not recommended
- Side effects, serious risks, cautions and interactions
- Questions to discuss with your doctor
- How it compares with Vilon, Epitalon, Thymalin, Cortagen
Related entries
A certificate of analysis tells you what is in a vial. The evidence rating above tells you whether the compound has been shown to work in humans. Neither answers the other's question. How to read a certificate of analysis.
This page describes what is known and not known about Livagen. It is not medical advice and not a recommendation to use it.