The Encyclopedia of Peptides

A to Z / Immune

Thymagen

Also known as Glu-Trp, thymus bioregulator.

Best known for The synthetic successor to Thymalin
Evidence★☆☆☆☆
Safety dataLargely unknown
Route Injectable · oral · nasal
United StatesNot approved
AustraliaNot listed by name; unapproved therapeutic good
as at 16 September 2026

What it is and what it does

Thymagen is a synthetic dipeptide from the Russian bioregulator programme, developed as a defined-molecule successor to the thymus extract Thymalin. It is studied in Russia for immune support, and is not approved in Western markets.

What the full entry covers

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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 Thymagen. It is not medical advice and not a recommendation to use it.