Testagen
Testagen, a peptide. Synthetic tetrapeptide Lys-Glu-Asp-Gly marketed as a reproductive-tissue bioregulator. The cited publication identifies the peptide in a…
Synthetic tetrapeptide Lys-Glu-Asp-Gly marketed as a reproductive-tissue bioregulator. The cited publication identifies the peptide in a materials experiment, not a clinical reproductive study.
ROUTE: Oral capsules are reported as a product form; no human PK is inferred. PMID:40807317 identifies the sequence in a copper-surface experiment and does not establish hormonal effects.
Sources: PMID:40807317