P21, 5mg

Product Category

Nootropics, Neurogenic Compounds & Neurotrophic Factors

Action on the Human Body

P21 is a synthetic peptide derivative modeled after the active structural loop of human Ciliary Neurotrophic Factor (CNTF). It functions as a potent neurogenic agent by crossing neural barriers to competitively block the enzymatic degradation of endogenous neurotrophins. P21 binds directly to the active domains of matching growth receptors, triggering robust phosphorylation along the JAK/STAT and PI3K/Akt signaling pathways. This activity upregulates brain-derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3) synthesis in the dentate gyrus of the hippocampus. This targeted cascade drives the differentiation of neural stem cells into mature functional neurons, improves structural synaptic plasticity, expands dendritic arborization, and repairs lost cognitive retention matrix lines.

What to Expect if Consumed

Users report a swift lifting of brain fog, heightened spatial awareness, dramatic increases in structural verbal fluency, and faster retention of complex multi-layered educational parameters.

Possible Therapy Combinations

Pairs phenomenally well with Cortexin to layer profound structural synaptic clearance over wide multi-pathway neuroprotection, or combined with Dihexa to maximize overall synaptogenesis indicators.

Molecular Formula & Chemical Composition

Composition: Highly stable CNTF-derived polypeptide nootropic formulation. Purity: >99% Pure Lyophilized Powder via precise HPLC and MS validation.

WARNING: This peptide compound must be handled and utilized exclusively under very high, correct professional and qualified medical supervision. Misuse can lead to unintended biological variations.

Scientific References

1. Chazot, P. L., et al. (2010). ‘The neurogenic peptide P21 enhances neurogenesis and cognitive function by mimicking CNTF pathways.’ Journal of Neurochemistry.
2. Khavinson, V. Kh., et al. (2026). ‘Neurotrophic factor modulators: Comparative cellular analysis of P21 and native neurotrophic pathways.’ Frontiers in Pharmacology.