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Cerebrolysin vs Selank

Updated 7 sources

Key differences

  1. 1Cerebrolysin is a course-based neurotrophic drug for stroke, TBI and dementia; Selank is a calming-focused short peptide.

Side by side

Facts from each record, in the same words as their own pages.
Cerebrolysin and Selank side by side
CerebrolysinSelank
Category
  • Cognitive
  • Cognitive, Sleep
Evidence
  • Some human trials
  • Limited human data
FDA status
  • Not FDA approvedRegulatory
  • Not FDA approvedRegulatory
WADA
  • Not prohibited
  • Not confirmed
Half-life
  • Cannot be measured directly, because the peptides resemble the body's own. Wikipedia notes some of its peptides are short-lived in blood, citing BDNF at about 10 minutes.Reference work
  • Minutes. Per the Russian label, nasal Selank shows in plasma within 30 seconds and its level falls over 5 to 5.5 minutes. Nothing shows up in urine.Regulatory
Routes
  • Intravenous (IV), Intramuscular injection, Subcutaneous injection
  • Nasal, Subcutaneous injection
Forms
  • Ready-to-use vial, Vial (powder)
  • Nasal spray, Vial (powder)
Reported doses
  • 2,152 to 12,912 mg (intravenous (iv))
  • 1,076 to 2,152 mg (intramuscular injection)
  • 20 to 32 mg (subcutaneous injection)
  • 150 to 2,700 mcg (nasal)
  • 200 to 1,000 mcg (subcutaneous injection)
Most cited frequency
  • 20 to 50 mL once a day, started as soon as possible
  • Once daily
Vial sizes
  • 60 mgCompetitor guide
  • 5 mg, 10 mg, 30 mgCompetitor guide
Mixed vial keeps
  • Research powder once mixed: fridge at 2 to 8 C, away from light.Competitor guide
  • Guides disagree on how long mixed Selank keeps: 2 to 3 weeks, 3 to 4 weeks, or 21 to 30 days.Competitor guide
Protocols on file
  • 11
  • 24

Doses shown are what sources report, labelled by origin. Not medical advice.

Read each in full

Sources

7 sources, each checked by date. Record updated Oct 24, 2026. Numbers are restated in our own words and labelled by where they came from.

Regulatory5

  1. Cerebrolysin parenterale Lösung, Fachinformation (SmPC), March 2021BASG (Austria) · checked Oct 24, 2026
  2. Selank 0.15% nasal drops (Russian label)Vidal, via a reference work · checked Oct 24, 2026
  3. Selank instruction for use (Russian label)selank.ru (Peptogen), archived copy, via a vendor guide · checked Oct 24, 2026
  4. Bulk Drug Substances Nominated for Use in Compounding Under Section 503A (updated May 14, 2026)FDA · checked Oct 24, 2026

Reference work1

  1. CerebrolysinWikipedia · checked Oct 24, 2026

Competitor guide1

  1. Cerebrolysin protocol guidepeptidedosingprotocols.com · checked Oct 24, 2026