N-PEP-12 Research Reference

Catalog classification, reference sizes, lab math links, and source-backed data. Educational use only — not medical advice.

Researched for: PepTools vendor-neutral scientific reference catalog

Proprietary brain-protein hydrolysate peptide preparation compound Reference needs_revision Best effort · source review pending

Also known as: N-Pep-12, NPEP-12

Best-effort research profile: this record has not passed full two-source scientific verification. Descriptive fields, research protocols, storage/handling notes, and interaction guidance below are shown with their evidence labels, but calculator presets and exact dosing math remain hidden until the record is verified or reaches Community-Supported status.

Quick Facts

Reference Sizes
Not standardized / source review pending
Components
Heterogeneous low-molecular-weight peptides derived from enzymatically hydrolyzed mammalian, reported as porcine, brain or nerve-cell proteins + Free amino acids + Reported composition: approximately 70% peptides and 30% free amino acids based on total nitrogen content
Storage
Not reliably established from authoritative sources for N-PEP-12 as a defined reference material.
Solubility
Not reliably reported for the proprietary preparation.

Blend Components

This entry is a multi-compound blend. Each component can be opened individually in the reconstitution calculator.

Component
Heterogeneous low-molecular-weight peptides derived from enzymatically hydrolyzed mammalian, reported as porcine, brain or nerve-cell proteins
Calculator Profile
Component
Free amino acids
Calculator Profile
Component
Reported composition: approximately 70% peptides and 30% free amino acids based on total nitrogen content
Calculator Profile
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Component amounts shown are arithmetic starters based on equal distribution. Edit values in the calculator before saving.

Best-Effort Research Profile

N-PEP-12 is described in the scientific and patent literature as a peptide-enriched derivative of an enzymatically produced brain-protein hydrolysate related to Cerebrolysin. Authoritative sources describe neuroprotective and cognitive effects in cell, animal, and human research models, but the detailed molecular composition, molecular-weight distribution, and batch-specific analytical specifications are proprietary and not fully disclosed.

Source review pending. This descriptive profile is shown from the available source material as a best-effort educational reference. It has not passed the full verification bar and is not a dosing instruction, medical claim, or treatment recommendation.

Research Profile

Half-Life
Not reliably established for the heterogeneous N-PEP-12 preparation.
Onset
Pharmacokinetic onset has not been reliably established. A 2005 human study reported selected EEG and memory-test effects at 6 hours after a single 180 mg oral dose.
Administration Routes (Research)
oral

Reported Research Effects

Data source: Primary literature, regulator records, trial registries, and identity-specific evidence search

Reflects preclinical/research literature context only. Not a medical claim, dosing instruction, or treatment recommendation.

Research Notes

Evidence includes in-vitro neuronal lesion models, aged-rat oral-gavage research, early human cognitive/EEG studies, and later randomized or registered clinical studies. The preparation's proprietary and heterogeneous composition limits direct comparison across batches and prevents assignment of a conventional molecular formula, molecular weight, CAS number, or structure-based calculator.

Supplementary research context only. Not medical advice or a treatment recommendation.

Registry Identifiers

PMID: 15750682; DOI: 10.1007/s00702-005-0283-7; ISRCTN: ISRCTN15764675

Source-Backed Observations

The preparation should not be represented as a single peptide or single defined chemical compound. A recent randomized clinical study reported that the detailed chemical composition and quality-control specifications were unavailable to investigators. The reported 70:30 peptide/free-amino-acid ratio is based on total nitrogen content, not necessarily total dry mass.

Reflects published research. Educational reference — not a recommendation for use.

Sources Under Review

N-PEP-12—a novel peptide compound that protects cortical neurons in culture against different age and disease associated lesions
https://pubmed.ncbi.nlm.nih.gov/15750682/ (accessed 2026-09-13)
Impact of N-PEP-12 Supplementation on Attentional Performance and Mental Wellbeing in Healthy Adults with Subjective Cognitive Complaints: A Randomized, Placebo-Controlled Trial
https://pmc.ncbi.nlm.nih.gov/articles/PMC13516771/ (accessed 2026-09-13)
Long-term treatment of aged Long Evans rats with a dietary supplement containing neuroprotective peptides (N-PEP-12) to prevent brain aging
https://pmc.ncbi.nlm.nih.gov/articles/PMC4392105/ (accessed 2026-09-13)

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Related Research Articles

Published articles on this site that mention N-PEP-12 or one of its catalog aliases.

Related Research Tools

Research Use Only. All content is for educational and research reference only. Not medical advice, a treatment recommendation, or guidance on human use. Compounds are not FDA-approved drugs unless specifically noted.

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