Brain & Cognitive Peptides
Cognitive-focused peptides researched for memory, focus, neuroprotection, and mood. Includes Selank, Semax, Cerebrolysin, Dihexa, and P21. Often studied for cognitive enhancement and neuroplasticity research.
Compounds
8
Most Studied
Selank
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Researched compounds
All Brain & Cognitive peptides
Selank
Russian nootropic peptide for anxiety, focus, and cognitive enhancement
Half-life
~30 min (intranasal)
Purity
≥98%
Semax
Russian nootropic peptide derived from ACTH for memory and focus
Half-life
~30 min (intranasal)
Purity
≥98%
Dihexa
HGF-mimetic peptide studied for synaptogenesis and cognitive enhancement
Half-life
~10 hours
Purity
≥98%
Pinealon
Khavinson tripeptide bioregulator (Glu-Asp-Arg) researched for neuroprotection, memory, and sleep
Half-life
Short (tripeptide, rapid turnover)
Purity
≥98%
DSIP
Delta Sleep-Inducing Peptide — nonapeptide researched for sleep modulation and stress attenuation
Half-life
~7 min
Purity
≥98%
Cerebrolysin
Porcine-brain-derived neuropeptide preparation studied for stroke, dementia, and TBI neurorecovery
Half-life
Not standardized for the mixture; peptide components clear within hours
Purity
Standardized peptide preparation (not a single-sequence ≥98% peptide)
N-Acetyl Semax Amidate
Stability-modified Semax analog for focus and neuroprotection, dosed as an intranasal spray
Half-life
Extended vs plain Semax (N-acetyl and C-amide caps slow peptidase clearance); functional CNS effects reported for hours
Purity
≥98%
N-Acetyl Selank
Stabilized intranasal Selank analog for anxiety, focus, and stress resilience
Half-life
Minutes (plasma); acetylation extends intranasal residence
Purity
≥98%
01 — Overview
What are brain & cognitive peptides?
Cognitive-focused peptides researched for memory, focus, neuroprotection, and mood. Includes Selank, Semax, Cerebrolysin, Dihexa, and P21. Often studied for cognitive enhancement and neuroplasticity research.
02 — Mechanism
How do they work?
Each compound in this category targets a specific biological pathway — receptor agonism, enzyme modulation, or cellular signaling. The mechanisms drive both the benefits and the side-effect profile, so understanding them is essential before designing any research protocol.
03 — Considerations
What to consider
Source matters. Always verify Certificate of Analysis (COA), storage conditions, and reconstitution protocol. Cross-reference half-life with dosing frequency, and review existing clinical data before extrapolating between research models.
Frequently asked
Common questions
What are brain & cognitive peptides?
Brain & Cognitive peptides are a class of research peptides studied for specific biological pathways and outcomes. Each compound has its own mechanism, dosing protocol, and body of evidence. We curate the most-researched options on this page.
How do I choose between compounds in this category?
Compare mechanism of action, half-life, dosing convenience, and the depth of clinical or preclinical research. Click any compound below for a full guide including FAQs and a reconstitution calculator.
Where can I source research-grade brain & cognitive peptides?
We partner with Ascension Peptides for third-party-tested, COA-verified peptides. Use code ENHANCED at checkout for 50% off any order.
Are these peptides legal?
Research peptides are sold for laboratory and educational purposes only. They are not approved for human use. Always comply with the laws of your jurisdiction.
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