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Executive Function Stack Dosage Guide

Semax + Cerebrolysin + Selank

Enhance decision-making and strategic thinking

Last updated · 2026-04-27
Cognitive & Nootropic aka Semax + Cerebrolysin + Selank aka focus peptide stack
Promising

Reasonable pairing with mechanistic rationale; widely used in community protocols.

Buy this stack

Single Vendor

All components from Certified Pep

$214.00 total

Component breakdown (3 items)
Cheapest Split $170.94 across 3 vendors Save $43.06
CompoundVendorSizePrice
Semax Particle Peptides 10 mg $34.99
Cerebrolysin Certified Pep 60 mg $110.00
Selank Swiss Chems 5 mg $25.95

Components

Semax

Synthetic ACTH(4-7) analog with C-terminal Pro-Gly-Pro extension — enhances BDNF/NGF expression, modulates dopamine/serotonin systems, neuroprotective via anti-inflammatory and anti-apoptotic pathways

Half-life: ~30 minutes (intranasal)

Cerebrolysin

Selank

Synthetic tuftsin analog with C-terminal Pro-Gly-Pro extension — modulates GABAergic system, stabilizes enkephalins, regulates IL-6 and monoamine metabolism, anxiolytic without sedation

Half-life: ~2-5 minutes (rapid CNS uptake and distribution)

Enhance decision-making and strategic thinking

Adapted from community peptide protocols. Reference compositions and dosing draw on The Ultimate Peptides Bible (Ralston, 2026) and widely circulated stacking conventions. See methodology for our content sourcing approach.

This content is for educational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before using any peptide or supplement.

Source this stack
Semax11 vetted vendors
BioLongevity LabsVisit BioLongevity Labs →

Save 15% with code VIALBASE

See all 11 sources →
Cerebrolysin1 vetted vendor
Certified-PepVisit Certified-Pep →
See all 1 source →
Selank11 vetted vendors
BioLongevity LabsVisit BioLongevity Labs →

Save 15% with code VIALBASE

See all 11 sources →

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