Semax
peptideNootropic research peptide
Research status · Not FDA-approved
Not FDA-approved. Developed and studied in Russia; not an approved medication in the US. Human evidence is limited. Verify legality/sourcing.
Semax is a synthetic peptide discussed in cognition and focus contexts, commonly used intranasally. It is not FDA-approved, and human evidence outside a limited research base is small — clinician guidance is essential.
How it works
Proposed to influence BDNF and neurotrophic signaling (largely from a limited research base).
Commonly discussed use cases
- Focus/cognition (discussed)
Supposed / potential benefits
- Nootropic claims are not established in rigorous US trials
Common side effects
- Nasal irritation (intranasal)
- Limited long-term data
Warnings & contraindications
- Not FDA-approved; human safety/efficacy not established
- Unregulated sourcing risk
Typical timing considerations
No established regimen; any use should be clinician-directed.
Administration route
Intranasal (also injectable)
Questions to ask your clinician
- What evidence exists for my goal?
- Any interactions with my medications?
Commonly tracked in Reta
Tracking fields organize user-entered, clinician-directed routines — Reta never recommends or computes doses.
Sources
Track this in Reta
Beta members get a ready-made tracker for Semax — schedule, dose log, reminders, and check-ins — for organizing a clinician-directed routine. Personal tracking is available to everyone during the Public Beta.
Reta is a tracking and education tool — not a medical provider. Nothing here is a diagnosis, treatment, prescription, or dosing recommendation. Peptides and medications should only be used under the direction of a licensed clinician. Talk to a qualified clinician before starting, stopping, combining, or changing anything. Many compounds below are not FDA-approved for human use; some are investigational or sold through unregulated channels where purity and dosing are not guaranteed.