Side-by-Side Comparison · 2026

Ovagen vs Testagen

Ovagen vs Testagen — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Ovagen
Organ Support

Ovagen is a tripeptide bioregulator (Glu-Asp-Glu) developed by the St. Petersburg Institute of Bioregulation and Gerontology (Khavinson team)....

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Testagen
Organ Support

Testagen is a tripeptide bioregulator (Lys-Asp-Glu) from the Khavinson Institute, targeted to testicular tissue support and reproductive function. It is proposed to normalize Leydig cell function and spermatogenesis by acting as a gene expression regulator in testicular tissue....

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Key Parameters
Parameter Ovagen Testagen
Category Organ Support Organ Support
Research Research Use (CIS) Research Use (CIS)
Half-Life - -
Typical Dose 10–30 mg/day (oral); 1–2 mg/day (SubQ) 1–2 mg/day
Frequency Daily Daily
Route Subcutaneous / Oral Subcutaneous
FDA Status Not Approved Not Approved

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Frequently Asked Questions
What is the difference between Ovagen and Testagen?
Ovagen: Ovagen is a tripeptide bioregulator (Glu-Asp-Glu) developed by the St. Petersburg Institute of Bioregulation and Gerontology (Khavinson team).... Testagen: Testagen is a tripeptide bioregulator (Lys-Asp-Glu) from the Khavinson Institute, targeted to testicular tissue support and reproductive function. It is proposed to normalize Leydig cell function and ...
Which has a longer half-life, Ovagen or Testagen?
Ovagen half-life: unknown. Testagen half-life: unknown.
Can you stack Ovagen and Testagen?
Ovagen and Testagen are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.