Compounds / Hormonal / Testagen

Testagen

Testagen (KEDG — Anterior Pituitary Tetrapeptide Bioregulator)
HormonalLimited ResearchFDA: Not approved

Overview

Khavinson Institute: anterior pituitary support, thyroid axis regulation, indirect testosterone support. Limited Western peer-reviewed data.

Mechanism of Action

Khavinson tetrapeptide H-Lys-Glu-Asp-Gly-OH (KEDG). Anterior pituitary specificity. Crosses cell and nuclear membranes for direct DNA interaction in pituitary cells. Proposed TSH stimulation → T3/T4 production → indirect testosterone normalization pathway. 15-min peak, 30-min half-life.

Pharmacokinetics

Half-life
30 min
Peak (Tmax)
15 min
Cleared
~2.5 hrs

Molecular Profile

Molecular weight
447.4 Da
Type
Tetrapeptide
Length
4 amino acids
H-Lys-Glu-Asp-Gly-OH (KEDG)

Key Research Findings

KEDG tetrapeptide; anterior pituitary specificity; TSH stimulation; indirect testosterone via thyroid axis; 30-min half-life; Khavinson bioregulator.

Related Hormonal Compounds

HCGGonadorelinKisspeptinOxytocinHMGACTH 1-39
Clinical Guidance

Research data is not a treatment plan. If you are considering Testagen, the questions that matter are whether it suits your history, your labs and your goals. That is a conversation with a licensed physician, not a lookup.

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Interactive tools for this compound:

Reconstitution calculator  ·  Full deep dive  ·  Peptide fundamentals