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A woman working with clear attention at a sunlit desk beside a nasal spray.

Semax nasal spray

When the sentence keeps slipping away.

Rereading, losing the word, leaning harder on caffeine: Semax draws interest because studies have examined it in attention, memory, and neural signaling. Rebody's intended format is a metered prescription nasal spray.

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The part you feel

Reading the same line twice. Losing the thread halfway through it.

01

You keep restarting

The task is clear. Your attention breaks before the work is done.

02

The word arrives late

The name, word, or next step arrives—just later than it used to.

03

The third coffee still misses

More stimulation is not the same thing as sustained attention.

Semax nasal spray bottle on white.

The intended product

A seven-amino-acid peptide in a metered nasal spray.

The patient label shows the exact substance, concentration, dose per actuation, directions, storage, and beyond-use date. A licensed U.S. compounding pharmacy would fill the prescription.

On the label
Substance, concentration, metered dose, directions
Product guide
Price, supply, storage, states served
Seven linked glass forms representing the Semax amino-acid sequence.

The molecule

Seven amino acids, in a specific order.

Met · Glu · His · Phe · Pro · Gly · Pro

Semax free base and Semax acetate are different substances. The prescription label needs to identify which one the formula uses.

Read the molecule source ↗
Nasal anatomy showing a metered spray entering the nasal cavity.

Why the route matters

Consistent delivery starts with a metered product.

Formula, metered output, spray uniformity, droplet size, microbial quality, and container compatibility determine how consistently the prescribed amount is delivered.

Read the nasal-delivery source ↗

Rat hippocampus experiment

One rat experiment measured four changes in the hippocampus.

1.4×BDNF protein
1.6×trkB phosphorylation
BDNF exon III mRNA
trkB mRNA

The study measured these four changes in rat hippocampus after a single intranasal dose.

Read the primary study ↗
Rat hippocampus highlighted beside laboratory assay specimens.

Human fMRI study

Twenty-four adults. Three scans. One network measure.

Fourteen adults received intranasal Semax and ten received placebo. Investigators scanned before dosing, then 5 and 20 minutes later, and reported a difference in the rostral default mode network.

See the full evidence →

Before you decide

Know what you are waiting for.

Semax is not just a peptide name. The substance, pump, and evidence all change what the finished nasal product means.

Horizontal carousel. Swipe or drag horizontally, or press the left and right arrow keys to browse. Vertical scrolling always moves the page.

Semax nasal spray bottle on white.
01 · Product

The final label matters.

Substance, concentration, dose per actuation, directions, and storage belong together.

Nasal anatomy showing a metered spray entering the nasal cavity.
02 · Route

A bottle is not a dose.

The pump and formula have to deliver a consistent metered actuation.

Seven linked glass forms representing the Semax amino-acid sequence.
03 · Molecule

Seven amino acids, exactly ordered.

The prescription must identify the exact Semax substance used.

Semax product details

Evidence, product details, price, and supply.

01

Semax evidence

Attention, memory, neural signaling, and intranasal studies.

02

Product details

Formula, metered delivery, price, supply, storage, and the nasal-spray routine.

03

Nasal-spray details

Read the metered dose, directions, storage, and pharmacy details.

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Semax

More on Semax.

Keep the evidence, nasal-spray details, and practical questions in one Rebody account.

More on Semax.

Semax evidence and product details in one Rebody account.

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