What is Semax?
Semax 5mg is a synthetic heptapeptide analogue of the ACTH(4-10) fragment, studied in rats for its effects on BDNF and other neurotrophins. Nearly all of its literature comes from Russian research groups. We sell Semax in 5mg and 10mg vials of white lyophilised powder.

SEMAX – 5 mg/vial – DEUS-MEDICAL
Lock in focus and mental drive with Semax — a powerful peptide designed to enhance cognitive performance, clarity, and resilience under stress.
Perfect for athletes who need their mind as sharp as their physique, especially during intense prep, cutting phases, or high-pressure training blocks
Effects
- Increased focus, clarity, and mental sharpness
- Improved mood and stress resistance
- Enhanced motivation and training intensity
- Better cognitive endurance during long sessions
- Supports overall brain performance under fatigue
- Ideal for contest prep, heavy training cycles, or staying dialed in during calorie deficits.
Dosage
- Typical range: 200–600 mcg per day
- Often split into 1–2 doses
- Commonly administered intranasally
Used in short to moderate cycles depending on cognitive demand
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Storage and Reconstitution
Semax 5mg is supplied in lyophilised solid form for optimal stability in research settings. Vials are stored in a monitored, temperature-controlled environment to maintain integrity prior to dispatch.
For reconstitution and storage guidance, refer to our peptide reconstitution instructions and peptide storage instructions. We recommend our Bacteriostatic Mixing Solution for reconstitution.
Where to buy Semax in the USA
You can buy Semax 5mg online directly from STEROUSA with fast US domestic shipping and discreet packaging — no customs, no border risk. We list Semax 5mg for sale at a competitive price for research-grade material, and checkout is quick with crypto. New to paying with Bitcoin? Follow our how to buy Bitcoin (BTC) guide. To order, add the vial to your cart and complete checkout; orders ship domestically within the United States.







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