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Research Stack · Clarity & cognition research

Cognitive & Focus Stack

The two neuro-research peptides most often studied together — one leaning toward stimulation and cognition, the other toward calm focus.

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What's in this stack

The compounds.

ACTH(4-10) analog

Semax

A Russian-developed neuro-research peptide.

Read the research →Tuftsin analog

Selank

The calm-and-focus research counterpart to Semax.

Read the research →

Why these together

Semax is researched for BDNF signaling and cognition; Selank for calm-focus and anxiety-pathway signaling. The pair is the classic neuro-research grouping.

Both share an Eastern-research heritage with a longer track record abroad than in Western clinical literature.

For research use only. This bundle is offered strictly for laboratory and research purposes — not for human consumption, and not as medical advice.
Peptides Express Cognitive & Focus Stack vial — Semax + Selank
In stock · Lab-tested · COA

Cognitive & Focus Stack

Semax + Selank
$145 / stack
1
No payment online — held for 48 hours, pay when you pick up. Prefer a person? Call or text (559) 939-5274.
In stock · Lab-tested · COA on every batch

Order Cognitive & Focus Stack direct from Peptides Express

Cognitive & Focus Stack and our full lineup are stocked locally and lab-tested with a COA on every batch. Reserve online for pickup, walk in, call, or text. Fresno's premium-grade research peptides, stocked locally. Research use only.

Call to order(559) 939-5274 Text usPricing & stock Reserve onlineNo payment now Visit the office6592 N. First Street

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

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

Quality you can verify

Pharmaceutical-grade. Twice-tested. Documented.

Every batch is produced to a pharmaceutical-grade standard, verified by in-house and independent third-party testing, and shipped with a batch-specific certificate of analysis — backed by a 100% satisfaction guarantee. Here's exactly what that means, in plain English.

Standards

Pharmaceutical Grade

What the term really means — and what it doesn't claim.

Learn → Testing

Quality & Testing

HPLC purity, mass-spec identity, third-party verified.

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How to Read a COA

Read the receipt that proves what's in the vial.

Learn → Transparency

Research Use Only

What it covers, stated plainly.

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