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Cognitive Function
Memory, focus & neuroprotection
Common Stacks
2Selank + Semax Nootropic Pair
Common PracticeAnxiolysis with sustained focus, memory, and stress-buffering.
- Protocol
- Semax 600–900 mcg intranasal AM + Selank 250–500 mcg intranasal as needed for stress.
- Duration
- 10–14 day cycles, 1–2 week washout.
- Notes
- Both intranasal; do not combine with MAOIs or stimulants without supervision.
Cerebrolysin + Dihexa Neuroregeneration
ExperimentalPost-stroke / TBI cognitive recovery and synaptogenesis support.
- Protocol
- Cerebrolysin 10–30 mL IV daily for 10–21 days; Dihexa 8–25 mg PO daily during and after course.
- Duration
- Quarterly Cerebrolysin courses; Dihexa in 4–6 week blocks.
- Notes
- Cerebrolysin requires clinical supervision (porcine origin, allergy risk). Dihexa is research-only.
13 peptides
Research UseGrade B
Bromantane
Actoprotector / Atypical Psychostimulant (non-peptide)
Fatigue resistancePhysical work capacity
Research UseGrade B
Cerebrolysin
Cognitive / Neurotrophic Peptide Mixture
Stroke recoveryVascular & Alzheimer dementia (ex-US)
Research UseGrade C
Dihexa
Cognitive / HGF Mimetic
Cognitive enhancement (research)Synaptogenesis
Research UseGrade C
DSIP
Sleep / Neuropeptide
Sleep qualityInsomnia
Research UseGrade C
Humanin
Mitochondrial / Cytoprotective Peptide
NeuroprotectionMetabolic stress (research)
Research UseGrade C
Klotho (Soluble α-Klotho)
Longevity Protein (investigational)
Healthy-aging (longevity) researchMemory and brain-health research
Research UseGrade B
NAD+ (Nicotinamide Adenine Dinucleotide)
Cellular Coenzyme (not a peptide)
Cellular energy and mitochondrial researchHealthy-aging (longevity) research
Research UseGrade C
P21
Cognitive / Neurogenic Peptide
Neurogenesis (research)Cognitive support
Research UseGrade C
Pinealon
Neuropeptide / Anti-aging
NeuroprotectionSleep regulation
Research UseGrade C
Selank
Nootropic / Anxiolytic
AnxietyCognitive enhancement
Research UseGrade C
Semax
Nootropic / Neuroprotective
Cognitive enhancementStroke recovery
FDA ApprovedGrade A
Tesamorelin
Endocrine / GHRH Analog
HIV-associated lipodystrophyVisceral fat reduction
Research UseGrade B
VIP (Vasoactive Intestinal Peptide)
Immune / Neuroendocrine
Chronic inflammatory response researchPulmonary inflammation