Semax
A Russian heptapeptide derived from ACTH(4-10) with neuroprotective and pro-cognitive activity.

How it works
Modulates BDNF and NGF expression, the dopaminergic system, and the melanocortin-4 receptor; demonstrated neuroprotection after ischemic stroke in clinical use.
Reported benefits
- Cognitive enhancement and attention support reported in clinical studies
- Adjunctive neuroprotection after acute stroke (Russia)
- Anti-anxiety profile
Dosage & administration
Research range: 200-1000 mcg intranasally daily, divided 2-3 doses.
Dosing information is summarised from published clinical and pre-clinical literature for research purposes only and does not constitute medical advice.
Clinical & pre-clinical evidence
Semax in acute ischemic stroke
Cerebrovascular Diseases · 2011
Improved functional recovery vs control over 21 days.
Safety & warnings
- Generally well tolerated
- Possible mild headache or nasal irritation
For research use. Consult a licensed clinician before any human application. Not for use in pregnancy, lactation, or active malignancy without specialist supervision.
Available presentations
5 mg
XA5
Box of 10 · $132
Single vial · $264
10 mg
XA10
Box of 10 · $216
Single vial · $432
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