Cognitive & Neuro

The neuro-peptides researched around focus, clarity, and cognition. We keep it evidence-first: what the research describes, how it's studied, and how to vet a source before you buy.

ACTH(4-10) analog

Semax

A synthetic peptide based on a fragment of ACTH, studied for cognitive and neuroprotective signaling.

Read the research →Tuftsin analog

Selank

A synthetic analog of the peptide tuftsin, studied for anxiety-pathway and cognitive signaling.

Read the research →Angiotensin IV derivative

Dihexa

A small peptide derived from angiotensin IV, studied for synaptic and cognitive signaling.

Read the research →

In stock · Lab-tested · COA on every batch

Order Cognitive & Neuro peptides from Express Peptides

Every compound below is stocked locally and lab-tested, with a COA on every batch. Walk in, call, text, or fill out the form. Fresno's premium-grade research peptides, stocked locally. Research use only.

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Local pickup at Express Peptides · 6592 N. First Street, Fresno, CA 93710

Products are sold strictly for laboratory and research purposes — not for human consumption.

Local to the Central Valley

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Lab-tested peptides you can pick up locally, plus honest answers from a real person. Mention code EXPRESS559.

Express Peptides · 6592 N. First Street, Fresno, CA 93710 ↗

Call (559) 939-5274Anytime Text usFast reply Visit the office6592 N. First Street QuestionnaireFree guidance