Semax
The focus peptide — a favourite for sharp thinking and mental clarity.
What is it?
Semax is a synthetic peptide beloved by people who want to think sharper and stay clear-headed. It is one of the most popular names in the cognitive-support world, and a natural partner to Selank for those who want both calm and focus.
Why people choose it
- A star of the cognitive-support space
- Popular for focus and mental sharpness
- A perfect partner to Selank
- A favourite for demanding, focused work
What is it used for?
- Focus and concentration
- Memory and mental clarity
- Everyday cognitive support
How it works
Semax is discussed in relation to the brain's focus and memory systems and to supportive brain signalling. That reputation for mental sharpness is exactly why it's so popular.
Good to know
- Frequently paired with Selank for focus-and-calm.
- A go-to for study, work and demanding days.
- One of the most-loved cognitive peptides.
Available options
Every option can be ordered directly through the cart above.
Research use only — not for human or veterinary consumption.
Dosage protocol
Reconstitution maths, titration steps and syringe draw volumes as published by peptidedosages.com.
Reference information only — not medical advice and not a prescription. Speak to a qualified professional before using any peptide.
- Route
- Intranasal spray
Dosing schedule
| Phase | Dose |
|---|---|
| Day 1 · Kaplan | 210–1,000 mcg |
| Day 1 · Lebedeva | 1,200 mcg |
| Days 1–10 · Gusev | 6,000 mcg |
Storage
- Powder (unmixed): ≤10 °C
- Avoid freeze–thaw cycles
Technique
- Confirm the pump's output volume before first use and prime it per the manufacturer's instructions.
- Keep the bottle upright and use one complete, smooth stroke per actuation.
- Record every actuation immediately, including priming sprays.
- Wipe the nozzle and replace the cap after each use.
- Fractional spray counts are mathematical only — a metered pump cannot deliver half an actuation.
Reported side effects
- Mild nasal mucosal irritation with prolonged use
Safety & evidence
- Dosed in micrograms by nasal spray — insulin-unit conversions do not apply.
- Published protocols ranged from 210 mcg and 1 mg single exposures up to 1.2 mg, and 6,000 mcg per day for 10 days.
- Human studies reported changes in attention and memory; condition-specific research looked at neurological recovery after stroke.
Figures transcribed from peptidedosages.com: /single-peptide-dosages/semax-10-mg-vial-dosage-protocol/
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