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What Is It?
Five peptides researched for cognitive function — each targeting a different brain pathway. Think of brain fog as a weak WiFi signal. These compounds research different ways to boost the signal.
Compounds Covered
- Semax — Focus and memory. Rapidly upregulates BDNF. Approved in Russia, not US.
- Selank — Calm without sedation. Modulates GABA without the fog of benzodiazepines. Approved in Russia, not US.
- Cerebrolysin — Brain regeneration. Porcine-derived neurotrophic factors. Approved in Russia and parts of Europe.
- Noopept — Memory and idea connection. Research compound, not approved in US.
- PE-22-28 — Mood and neuroplasticity. Research compound, not approved in US.
Run the Numbers
Compare protocols across brain peptides — concentration, daily totals, and stack planning. Free, no login required.
Open the Calculator →The Honest Part
- None are FDA-approved in the US.
- Semax, Selank, and Cerebrolysin are approved only in Russia and some European countries.
- Most are research compounds.
- Always talk to a doctor before use, especially with psychiatric medications.
- Dihexa intentionally excluded — its key study was retracted.
- For research purposes only.
Research Sources
Verified vendors offering this compound for research purposes. Use the vendor-specific code shown on each card for discounts. We may earn commissions from these links.
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