What is the difference between Cortexin and Davunetide?

Cortexin: Polypeptide bioregulator from bovine cortex; modulates neurotransmitter activity; activates GABA and dopamine systems; reduces excitotoxicity; stimulates neuronal repair Davunetide: Stabilizes microtubules by interacting with tubulin and microtubule-associated proteins. Activates SIRT1, reduces amyloid-β toxicity, and enhances synaptic plasticity. Protects against tau hyperphosphorylation.

Is Cortexin FDA approved?

Cortexin is not evaluated or approved by the FDA. It is discussed for research and educational purposes only, not as medical guidance.

Is Davunetide FDA approved?

Davunetide is investigational and not FDA approved. It is discussed for research and educational purposes only, not as medical guidance.

How is Cortexin administered in research settings?

In research settings, Cortexin is typically administered via the intramuscular route. PeptideBase does not provide dosing or administration instructions.

How is Davunetide administered in research settings?

In research settings, Davunetide is typically administered via the intranasal or subcutaneous routes. PeptideBase does not provide dosing or administration instructions.

Home›Research›Compare›Cortexin vs Davunetide

Peptide Comparison

Cortexin vs Davunetide

Both are Neuro & Cognitive peptides.

Cortexin

Cortexin-10

CognitiveNot EvaluatedResearch Only

Half-life: Unknown

4 providers listed

Full Cortexin profile →

Davunetide

NAP

CognitiveInvestigationalResearch Only

No providers listed yet

Full Davunetide profile →

Bottom line

Davunetide carries stronger published evidence (RCT, 3 key studies) than Cortexin (RCT, 2); both are research compounds.

Quick Verdict

Cortexin

Evidence

Emerging Clinical

Davunetide

Evidence

Clinical

Which One Should You Choose?

Your goal	Better option
Stronger clinical evidence	Davunetide
Further along in FDA review	Davunetide
More provider options (4 vs 0)	Cortexin

Research summary only — not medical advice. Consult a qualified provider before making any decisions.

Side-by-Side Comparison

Cortexin

Davunetide

Mechanism Family

Neuro & Cognitive

Half-life

Unknown

—

FDA Status

not evaluated

investigational

Admin Routes

intramuscular

intranasal, subcutaneous

Availability

Research Only

Providers

4 listed

None listed

Avail. Notes

Russian polypeptide preparation from cattle cerebral cortex. Registered in Russia for neurological conditions. No FDA approval, no NDA or IND, not on any FDA list. Research chemical in US.

—

Research Evidence

Cortexin

Emerging ClinicalRCT · 2 key studies · most recent 2019

Davunetide

ClinicalRCT · 3 key studies · most recent 2026

Research Citations

Cortexin

RCT2019 · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova

Evaluation of the efficacy and safety of cortexin in the complex rehabilitation of verticalization in patient…

Review2013 · Advances in gerontology

Neuroprotective effects of peptides bioregulators in people of various age

Davunetide

Cohort2026 · Epilepsy Res

Microtubule-stabilizing drugs suppress convulsions in a C. elegans model of CAMSAP disorders.

RCT2013 · Neuropsychopharmacology

Effects of davunetide on N-acetylaspartate and choline in dorsolateral prefrontal cortex in patients with sch…

RCT2011 · Schizophrenia Research

Effect of the neuroprotective peptide davunetide (AL-108) on cognition and functional capacity in schizophren…

About Cortexin

Polypeptide bioregulator from bovine cortex; modulates neurotransmitter activity; activates GABA and dopamine systems; reduces excitotoxicity; stimulates neuronal repair

Research Areas

neuroprotection and neuronal survival supportcognitive function improvement — documented in Russian clinical settingsantioxidant activity in CNS tissueEEG normalization and neurotrophic factor expression

About Davunetide

Stabilizes microtubules by interacting with tubulin and microtubule-associated proteins. Activates SIRT1, reduces amyloid-β toxicity, and enhances synaptic plasticity. Protects against tau hyperphosphorylation.

Research Areas

neuroprotectiontau stabilizationcognitive enhancementmemorysynaptic plasticity

Safety Profile

Information below reflects published research data only — not medical advice. Consult a qualified provider before use.

Cortexin

Reported (Unverified — Pending Clinical Review)

bovine protein allergy

No established clinical contraindications

Davunetide

No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.

Find Providers

Where to source these peptides

Providers offering

Cortexin

4 listed

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Providers offering

Davunetide

Browse directory →

PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.

More Neuro & Cognitive Comparisons

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Educational research tools — not medical advice.