Semax
A nootropic peptide studied for focus, mental clarity, and neuroprotection.
Semax is a synthetic peptide derived from a fragment of ACTH. It’s studied for cognitive enhancement — focus, memory, and clarity — and for neuroprotective effects, partly via increased BDNF.
Prescription required. Final clinical decisions rest with the prescribing physician.
What is Semax?
Semax is a synthetic analog of an ACTH fragment, studied for focus, memory, and mental clarity as well as neuroprotection. One proposed mechanism is increased BDNF (brain-derived neurotrophic factor), which supports neuron health and plasticity.
It’s commonly used as a nasal spray. Semax is accessed through licensed compounding pharmacies under a physician’s prescription; it is not an FDA-approved finished product.
Potential benefits
Focus & clarity
Studied for attention, memory, and mental clarity.
Neuroprotection
Researched for protective effects on neurons.
BDNF support
Proposed to raise BDNF, supporting plasticity.
Non-stimulant
Cognitive support without classic stimulant effects.
How it works
How it’s taken
Most often a nasal spray (a subcutaneous form also exists), dosed per physician protocol.
Typical protocol
Used in courses or as-needed within physician guidance; the physician sets the regimen.
How ordering works
Complete the intake
Share your goals, health history, and current medications — about 5 minutes.
Physician evaluation
An independent, board-certified physician reviews your intake and, if appropriate, prescribes Semax with a dosing protocol.
Compounded & shipped
The prescription is filled by a licensed compounding pharmacy and shipped to your door with instructions.
What to know before Semax
Semax is a bioactive compound. The physician you’re connected with will review the relevant risks and contraindications for your situation before prescribing.
- •Generally well tolerated; nasal irritation can occur with the spray.
- •Long-term human data is limited — much research is from outside the U.S.
- •Disclose mental-health history and current medications.
- •Source matters: gray-market “research only” peptides skip physician oversight and quality testing. FirstCall connects you with a licensed physician and a compounding pharmacy that follows USP standards.
Semax FAQ
What is Semax used for?
Semax is studied for focus, memory, clarity, and neuroprotection. It’s used off-label under physician supervision and is not FDA-approved.
How is it different from Selank?
Selank leans toward calm/anti-anxiety; Semax leans toward focus and neuroprotection. They’re sometimes used together — the physician will advise.
Is Semax FDA-approved?
No. It is prepared by licensed compounding pharmacies and prescribed off-label.
How is it taken?
Usually a nasal spray; the physician sets your dose and schedule.
How much does it cost?
Semax starts from $99/month. Final pricing is confirmed after your physician evaluation. The initial evaluation is free.
Ready to start Semax?
Complete a short medical intake — a supervising physician reviews it and, if appropriate, writes your prescription, and a licensed pharmacy ships to your door.
Pricing & regulatory note: The $99/mo price is an indicative starting point confirmed by the compounding pharmacy after physician evaluation. Semax is not an FDA-approved finished drug product; it is prepared by licensed compounding pharmacies and prescribed off-label. FDA guidance on peptide compounding continues to evolve and availability can change. A prescription is required.