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DOSEVAULT
Cognitive

P21

Peptide warrior against brain decline.

Molecular Profile
linear
11 AA Sequence
Formula
Sequenced Peptide
Chain length
11 aa
Sequence
P21 (Cerebrolysin-derived peptide analog)
Onset and duration

Cognitive effects may be perceived acutely to within days; sustained benefit depends on continued use.

Storage and reconstitution

Store the lyophilized powder refrigerated (2 to 8 C), or frozen for long-term storage, protected from light. After reconstitution with bacteriostatic water, keep refrigerated and use within about 4 weeks.

Clinical Evidence

What the literature says

Scientific Overview

Designed to enhance neurogenesis and maturation of neurons.

Citations (5)

  1. Prevention of dendritic and synaptic deficits and cognitive impairment with a neurotrophic compoundPubMed
  2. Disease modifying effect of chronic oral treatment with a neurotrophic peptidergic compound in a triple transgenic mouse model of Alzheimer's diseasePubMed
  3. Neurotrophic factor small-molecule mimetics mediated neuroregeneration and synaptic repair: emerging therapeutic modality for Alzheimer's diseasePubMed
  4. Rescue of cognitive-aging by administration of a neurogenic and/or neurotrophic compoundPubMed
  5. Effects of a ciliary neurotrophic factor (CNTF) small-molecule peptide mimetic in an in vitro and in vivo model of CDKL5 deficiency disorderPubMed

Research Guide

How users approach this compound

The following reflects patterns observed in research literature and community protocols. This is not medical advice and does not constitute a clinical recommendation.

Research Protocols

Common Dosages

Neurogenesis

250-500 mcg
Daily

“Mimics BDNF to promote nerve growth”

Dosages listed are common research protocols found in peer-reviewed literature and clinical trials. Individual results and requirements may vary significantly in a research context.

Key Research Benefits

Potential Side Effects

Fatigue (mild)
Reaction at injection site

Labs to monitor

Educational context only, not a testing mandate. Any bloodwork decisions belong with your clinician.

  • No validated compound-specific markers: No standard bloodwork is established for this compound; general safety labs (CBC, comprehensive metabolic panel) are reasonable if used under medical supervision.

Dose Calculator

Peptide Reconstitution Calculator

mg

Total amount of peptide in the vial.

mL

Volume of water used to mix.

mcg

Draw to this mark

10 Units

or 0.10 mL on a U-100 syringe

Concentration:2.50 mg/mL
Peptide per Unit:25.00 mcg/unit
*Always double-check your calculations. This tool is for educational purposes only.

Quick Explainer

P21 is a CNTF-derived peptide that boosts the brain's ability to repair itself by mimicking the effects of BDNF.

Related Tools

Not medical advice

Information on DoseVault is for educational purposes only and is not a substitute for medical advice, diagnosis, or treatment from a qualified healthcare provider.