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Cognitive comparison

Cerebrolysin vs Selank

An educational, source-based comparison of Cerebrolysin and Selank — how each peptide works, what it's researched for, and what to know before going deeper.

Neurotrophic · Mixture
Cerebrolysin

Porcine-derived peptide mixture researched in neurologic recovery.

Mechanism

A mixture of low-molecular-weight peptides and amino acids derived from purified porcine brain tissue. Research suggests neurotrophic-like activity mimicking BDNF, NGF, and GDNF signaling.

Research areas
  • Ischemic stroke recovery
  • Traumatic brain injury
  • Vascular dementia and Alzheimer's adjunct
Considerations
  • Approved in many countries; not FDA-approved in the US.
  • Mixture composition is not fully characterized.
Full Cerebrolysin profile →
Anxiolytic · Nootropic
Selank

Anxiolytic-style peptide researched for stress modulation.

Mechanism

A synthetic analog of the immunomodulatory peptide tuftsin. Research suggests it modulates GABAergic and serotonergic systems and influences expression of brain-derived neurotrophic factor without the sedation or dependence profile of benzodiazepines.

Research areas
  • Generalized anxiety models
  • BDNF expression
  • Immune modulation
  • Memory and learning in rodent models
Considerations
  • Not FDA-approved.
  • Most studies are Russian clinical literature.
Full Selank profile →

Cerebrolysin vs Selank — Key differences

  • Class: Cerebrolysin is classified as Neurotrophic · Mixture, while Selank is Anxiolytic · Nootropic.
  • Primary research focus: Cerebrolysinischemic stroke recovery; Selankgeneralized anxiety models.
  • Tag: Cognition · Neuroprotection vs Calm · Cognition.

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