Cerebrolysin
CLINICAL USENeurotrophic peptide mixture | Cognition and neuroprotection
Updated: August 2026.
Key points
- What it is: standardized mixture of low-molecular-weight neurotrophic peptides.
- Main use: cognition, neuroprotection, stroke, dementia and brain injury.
- Typical dose: 5–10 ml per day, intravenous or intramuscular, in 10–20 day cycles.
- Key result: mimics neurotrophic factors (BDNF, NGF), supporting neurons and synapses.
- Common effects: well tolerated; dizziness or warmth if the infusion is fast.
- Comparison: clinical use (IV/IM); Semax is a lighter intranasal nootropic.
- Status: approved in many countries; not FDA-approved.
Overview
What is cerebrolysin?
Cerebrolysin is a standardized mixture of low-molecular-weight peptides and amino acids derived from porcine brain tissue. With neurotrophic action, it is approved in many countries for stroke, dementia and brain injury, and is researched for its effects on cognition and neuroprotection.
Key benefits
Support for neuronal survival, plasticity and synapse formation. In clinical practice it is associated with improvements in stroke recovery and in the cognitive function of dementias, administered in cycles.
Mechanism of action
Its peptides mimic the action of endogenous neurotrophic factors (such as BDNF and NGF), supporting neuron survival, neurogenesis and protection against damage, as well as modulating neuroinflammation.
Quick start guide
Dosing protocol
| Phase | Dose | Route | Duration |
|---|---|---|---|
| Standard | 5–10 ml | Slow IV or IM | 10–20 day cycle |
Administer slowly (IV) to avoid dizziness or a warm sensation. It is repeated in cycles. The regimen must be set by a healthcare professional.
🧮 Calculate your exact syringe dose →Cerebrolysin vs Semax
| Cerebrolysin | Semax | |
|---|---|---|
| Origin | Porcine peptides | ACTH-derived |
| Route | IV or IM | Intranasal |
| Typical use | Clinical neuroprotection | Daily cognition |
| Intensity | High (in cycles) | Light and flexible |
⚠️ Who should NOT use it
- People with epilepsy (possible lowering of the seizure threshold) — consult first.
- Pregnancy or breastfeeding.
- Protein allergy — caution.
- Always under the supervision of a healthcare professional.
What to expect
- Days 1-5: start of the cycle; good tolerance.
- Days 5-10: possible improvement in clarity and memory.
- Days 10-20: peak cognitive benefits of the cycle.
- After the cycle: effects may last for weeks.
- Side effects: dizziness or warmth if the infusion is fast.
- Most effective for: cognition, neuroprotection and neurological recovery.
Side effects & safety
- Dizziness or warm sensation with fast infusion.
- Agitation if administered at night.
- Mild injection-site reaction.
- Rarely, headache.
- Caution in people with epilepsy.
- Allergic reaction: rash, itching or swelling.
- Seizures or abnormal movements.
- Palpitations or severe dizziness.
- Any striking neurological symptom.
- If you are pregnant or planning a pregnancy.
Frequently asked questions
What is cerebrolysin?
It is a mixture of neurotrophic peptides used for stroke, dementia and neuroprotection, and researched for cognition.
How is cerebrolysin administered?
By slow intravenous or intramuscular route, in cycles of 10-20 days.
What is the cerebrolysin dose?
Typically 5-10 ml per day during the cycle. The regimen is set by a professional.
What is cerebrolysin for?
For neuroprotection, stroke recovery, dementia and cognitive function.
What are the side effects?
It is usually well tolerated; dizziness or warmth if the infusion is too fast.
Is cerebrolysin approved?
It is approved in many countries, but not by the US FDA.
Research areas
- Cognition
- Neuroprotection
- Stroke recovery
- Dementia
- Brain injury
Related peptides
- Semax — Intranasal nootropic for cognition.
- Selank — Intranasal anxiolytic peptide.
- Dihexa — Potent nootropic that supports synaptogenesis.
Related articles
Related topics
- Cerebrolysin and cognition
- Cerebrolysin dose
- Cerebrolysin stroke
- Cerebrolysin dementia
- Cerebrolysin cycle
- Cerebrolysin side effects
Summary
What it is: Neurotrophic peptide mixture.
How it is researched: IV or IM, 5-10 ml/day, 10-20 day cycles.
Key features: Neuroprotection and cognition. Approved outside the US, not by the FDA.
Related peptides: Semax, Selank and Dihexa.