Side-by-Side Comparison · 2026

Cortexin vs Neuroxelin

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

Cortexin
Cognitive & Neurological

Cortexin is a polypeptide complex extracted from the cerebral cortex of pigs (porcine origin) that contains a mixture of low-molecular-weight neuropeptides, amino acids, and protein fractions. It is an approved drug in Russia, used clinically for stroke recovery, traumatic brain ...

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Neuroxelin
Cognitive & Neurological

Neuroxelin is a vendor nootropic peptide blend containing PE-22-28 (10 mg), Pinealon (10 mg), N-Acetyl Semax (20 mg), and N-Acetyl Selank (8 mg), formulated for intranasal administration. It combines four cognitively-active peptides targeting different aspects of brain performanc...

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Key Parameters
Parameter Cortexin Neuroxelin
Category Cognitive & Neurological Cognitive & Neurological
Research Approved (Russia/CIS) Vendor Blend
Half-Life - -
Typical Dose 10 mg -
Frequency Once daily -
Route Intramuscular Intranasal
FDA Status Not Approved Not Approved

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Frequently Asked Questions
What is the difference between Cortexin and Neuroxelin?
Cortexin: Cortexin is a polypeptide complex extracted from the cerebral cortex of pigs (porcine origin) that contains a mixture of low-molecular-weight neuropeptides, amino acids, and protein fractions. It is a... Neuroxelin: Neuroxelin is a vendor nootropic peptide blend containing PE-22-28 (10 mg), Pinealon (10 mg), N-Acetyl Semax (20 mg), and N-Acetyl Selank (8 mg), formulated for intranasal administration. It combines ...
Which has a longer half-life, Cortexin or Neuroxelin?
Cortexin half-life: unknown. Neuroxelin half-life: unknown.
Can you stack Cortexin and Neuroxelin?
Cortexin and Neuroxelin 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.