Neuropeptide Mixture

Cerebrolysin

6.3/10

BioHarmony verdict

Worth trying

Cerebrolysin is a porcine brain-derived peptide mixture given by IV or IM infusion. It has the largest human trial base of any nootropic-adjacent peptide, yet the maker-funded positive trials clash with two null-to-negative independent Cochrane reviews, per Ziganshina 2023, which is why it lands at 6.0-6.5/10 (Worth trying).

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What is Cerebrolysin?

Cerebrolysin is a porcine brain-derived peptide preparation, a mixture of small peptides and free amino acids extracted from pig brain tissue, given by intravenous infusion or intramuscular injection and marketed as neurotrophic, meaning it is meant to act like your body's own nerve growth factors. It is not a single defined molecule, which is unusual for something people inject. It is a biological extract whose batch composition is characterized in the lab but never reduced to one declared active ingredient, per Ziganshina et al. 2023. Cerebrolysin is genuinely interesting and genuinely unresolved at the same time, and pretending otherwise would not help you.

From the BioHarmony report, reviewed 2026-09-08.

How it is thought to work

Claimed neurotrophic, mimicking endogenous growth factors; not a single defined molecule

Safety watch-outs

  • Any sign of an allergic or hypersensitivity reaction to the biological (hives, swelling, wheezing, throat tightness): stop and seek…
  • New seizure, confusion, or a marked worsening of neurological symptoms during a course: stop and consult a clinician.
  • Fever, spreading redness, or pus at an injection or infusion site (possible contamination from grey-market product): stop and seek care.
  • Any active or suspected cancer: do not use a growth-factor-mimicking biological without specialist guidance.

Full risk profile in the BioHarmony report.

Dosing as published

No approved-label or study protocol is recorded for Cerebrolysin yet.

More reported protocols

Members

Members can compare additional reported doses, schedules, and preparation notes.

Educator coverage (3)

Attributed viewpoints, separate from primary research.

Trust & sourcing

US approvalNot FDA approved
CompoundingNo FDA-approved U.S. product is identified in the reviewed source set
Last checked2026-07-13
Next review2027-01-09

Cerebrolysin is a porcine-brain-derived mixture of peptides and amino acids used in some countries. A 2023 Cochrane review found no demonstrated mortality benefit in acute ischemic stroke and reported an increase in non-fatal serious adverse events in some analyses.

Primary sources

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