P21: The Complete Guide to the Neurogenesis Amplifier

P21: The Complete Guide to the Neurogenesis Amplifier

The Peptide Index
Published on: 26/01/2026

Complete guide to P21, the CNTF mimetic peptide that amplifies endogenous neurogenesis by neutralizing blocking antibodies. Covers mechanisms, the BDNF/TrkB pathway, Alzheimer's research, dosing protocols, and realistic expectations for cognitive enhancement.

Cognitive Peptides
Dihexa: The Complete Guide to the Synapse Builder

Dihexa: The Complete Guide to the Synapse Builder

The Peptide Index
Published on: 25/01/2026

Complete guide to Dihexa, the potent HGF/c-Met activator that stimulates synaptogenesis and neurogenesis. Covers mechanisms, dosing protocols, safety considerations including cancer risk discussion, and realistic expectations for cognitive enhancement.

Cognitive Peptides
Selank: Complete Guide to the Anti-Anxiety Peptide

Selank: Complete Guide to the Anti-Anxiety Peptide

The Peptide Index
Published on: 09/01/2026

A synthetic peptide with anxiolytic effects comparable to benzodiazepines but without sedation, cognitive impairment, or dependence. This guide covers the science, protocols, timeline expectations, and stacking strategies for anxiety management research.

Cognitive Peptides
Semax: Complete Guide to the Cognitive Enhancement Peptide

Semax: Complete Guide to the Cognitive Enhancement Peptide

The Peptide Index
Published on: 09/01/2026

A synthetic neuropeptide that enhances cognitive function by upregulating BDNF and modulating neurotransmitters. This guide covers the science, protocols, timeline expectations, and stacking strategies for cognitive optimization research.

Cognitive Peptides