Cortexin vs Selank

Overview

Cortexin and Selank are both studied in the peptide research space.

Cortexin: A Russian neuropeptide complex derived from porcine or bovine cerebral cortex, approved in Russia and CIS countries for neurological conditions.

Selank: A synthetic heptapeptide derived from the immunomodulatory peptide tuftsin, developed by Russian researchers and approved in Russia since 2009 for anxiety and neurasthenia.

Evidence Comparison

Aspect	Cortexin	Selank
Evidence Level	Moderate	Moderate
Human Studies	12	5
Preclinical Studies	16	20
Total Sources	28	25

Key Differences

Aspect	Cortexin	Selank
Category	Cognitive	Cognitive
Evidence Strength	Moderate	Moderate
Total Sources	28	25
Human Studies	12	5

Summary

• Cortexin: Moderate evidence with 28 total sources (12 human)
• Selank: Moderate evidence with 25 total sources (5 human)

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This comparison is for educational purposes only and is not medical advice. Consult a healthcare professional before making any decisions about peptide use.