Testagen
aka Lys-Glu-Asp-Gly
Immune Modulator
Mechanism
Testagen is a synthetic tetrapeptide (Lys-Glu-Asp-Gly / KEDG) from the Khavinson bioregulator series, claimed to target testicular tissue. Not FDA-approved. Evidence base is extremely thin, with essentially no independently replicated or peer-reviewed support for the advertised reproductive or endocrine benefits in humans.
Identification
Vendors selling Testagen
No vendor listings on file yet.
Research
No citations on file yet.