Side-by-Side Comparison · 2026

Cortagen vs Livagen

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

Cortagen
Cardiac & Longevity

Cortagen (Ala-Glu-Asp-Leu) is a synthetic tetrapeptide from the Khavinson short peptide bioregulator (BCPP) series, specifically designed to target cardiac and vascular tissue. Analogous to Epithalon for the pineal gland and Pinealon for the brain, Cortagen acts as a gene express...

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Livagen
Cardiac & Longevity

Livagen is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed within Vladimir Khavinson's bioregulator peptide program at the Saint Petersburg Institute of Bioregulation and Gerontology. Derived from cardiac tissue, Livagen is designed to target cardiac and cardiovascular gene ...

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Key Parameters
Parameter Cortagen Livagen
Category Cardiac & Longevity Cardiac & Longevity
Research Extensively Studied Preclinical / Early Human (Russia)
Half-Life ~20–30 min <1 h
Typical Dose 5–10 mg 5-10 mcg/day
Frequency Once daily × 10 days (course) Daily (course-based)
Route Subcutaneous Subcutaneous, Intranasal
FDA Status Not Approved Not Approved

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Frequently Asked Questions
What is the difference between Cortagen and Livagen?
Cortagen: Cortagen (Ala-Glu-Asp-Leu) is a synthetic tetrapeptide from the Khavinson short peptide bioregulator (BCPP) series, specifically designed to target cardiac and vascular tissue. Analogous to Epithalon ... Livagen: Livagen is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed within Vladimir Khavinson's bioregulator peptide program at the Saint Petersburg Institute of Bioregulation and Gerontology. Derived fro...
Which has a longer half-life, Cortagen or Livagen?
Cortagen half-life: ~20–30 min. Livagen half-life: <1 h.
Can you stack Cortagen and Livagen?
Cortagen and Livagen 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.