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Research Use Only18+Not for Human ConsumptionReconstitution Materials Not Supplied
Peptide Database

Reproductive & sexual-function research

Testagen (KEDG): Research Overview

Khavinson bioregulator peptide studied in testicular tissue research.

Also known as KEDG · Lys-Glu-Asp-Gly

Research use onlyStrongest evidence: review or meta-analysisReviewed
DatabaseReferences

What is Testagen?

Testagen is a Khavinson bioregulator tetrapeptide (KEDG) originally isolated from testicular tissue extracts. Developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology, it promotes testosterone biosynthesis by stimulating Leydig cell activity and improving cellular metabolism in testicular tissue.

What is Testagen researched for?

  • Promotes testosterone biosynthesis through Leydig cell stimulation.
  • Restores normal communication within hypothalamic-pituitary-gonadal axis.
  • Addresses declining testosterone through cellular metabolism improvement.
  • Supports spermatogenesis and reproductive balance.
  • Normalizes testicular function by reducing peptide deficiency.
  • May enhance male sexual function through testosterone support.
  • Research shows reduction in inflammation markers in prostate tissue.

How does Testagen work?

Testagen works through epigenetic regulation, crossing both cell and nuclear membranes to interact directly with DNA of target tissues. It penetrates into cytoplasm, nucleus, and nucleolus of cells, interacting with various cellular components including DNA and RNA. The peptide can discriminate between different nucleotide sequences and recognize cytosine methylation status.

References

  1. Testagen Bioregulator Research on Testosterone and Leydig Cells

    Advances in Gerontology · 2018

    Testagen promotes testosterone biosynthesis by stimulating Leydig cell activity and improving testicular metabolism.

  2. Short Peptides and HPG Axis Function

    Bulletin of Experimental Biology and Medicine · 2016

    KEDG peptide helps restore communication within hypothalamic-pituitary-gonadal axis.

  3. Epigenetic Effects of Short Peptides

    Neuroendocrinology Letters · 2014

    Testagen penetrates cell nuclei and interacts with DNA, recognizing methylation status.

  4. Khavinson Peptide Bioregulators

    Advances in Gerontology · 2020

    Comprehensive review of bioregulator peptides isolated from testicular and other tissue extracts.

    Review or meta-analysis

Common questions

Does Testagen actually increase testosterone or just support natural production?

Testagen promotes testosterone biosynthesis rather than providing exogenous testosterone. It stimulates Leydig cell activity and improves testicular cellular metabolism through epigenetic regulation, helping restore the body's own testosterone production rather than replacing it.