Treatment review · Nootropic · 2026
Semax
Nootropic peptide commonly used for attention, mental stamina, and cognitive resilience.
- Expert score
- 7.1/10
- Community interest (editorial)
- 8.0/10
- Cost per month
- $70–$190
- Providers offering it
- 4in our directory
Both scores are PeakedLabs editorial assessments — community interest reflects our read of discussion volume and demand, not user ratings.
How it works
“Think of it as tuning brain signaling to improve focus, stress response, or mental stamina.”
Mechanism of action
May modulate BDNF expression and dopaminergic signaling.
Typical dosing
300-900 mcg intranasal daily, divided doses.
Protocols vary by clinic and individual labs. Dose with a licensed clinician, not a forum thread.
Common use cases
- 01focus
- 02mental endurance
- 03brain fog
Side effects
- irritability
- headache
- sleep disruption
Legal & regulatory status
- FDA status
- Not FDA-approved
Not generally FDA-approved; offered through select channels.
Where to get it
Providers below currently advertise relevant nootropic programs, ranked by PeakedLabs score.
| Provider | Score | Monthly range | Actions |
|---|---|---|---|
| Marek Health | 9.1 | $180–$650 | Visit |
| Superpower | 8.9 | $199–$699 | Visit |
| Transcend | 8.5 | $179–$599 | Visit |
| Amazing Meds | 8.4 | $185–$620 | Visit |
Provider-tracked monthly range: $179–$699
Disclosure: PeakedLabs may earn a commission from partner links. Editorial scoring and rankings remain independent.
Experts covering this treatment
Expert directoryExpert links for this treatment are being expanded.
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Frequently asked questions
What is Semax usually used for?
Semax is typically discussed for focus, mental endurance, brain fog. 4 tracked providers currently list options in this category.
How is Semax commonly dosed?
Common protocols reported by clinics and patients: 300-900 mcg intranasal daily, divided doses. Always individualize with a licensed clinician.
Is Semax legal in the U.S.?
Not generally FDA-approved; offered through select channels.
What side effects should I watch for with Semax?
Commonly reported effects include irritability, headache, sleep disruption. Escalate any severe or persistent symptoms to your care team quickly.
Treatment Planning
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Choose providers with reliable monitoring and refill workflows for this treatment category.
Disclosure: PeakedLabs may earn a commission from partner links. Editorial scoring and rankings remain independent.