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Semax
In people
People who use Semax most often describe a clean, switched-on clarity within 15 to 30 minutes of a nasal dose. Words come faster, reading holds better and the mid-afternoon fog lifts. There is no caffeine edge and no crash. After stroke, people taking Semax regain daily skills faster and carry higher blood BDNF. In healthy adults, brain scans after a single nasal dose show the resting network loosening its grip, the same shift seen when the mind settles onto a task.
Sources
Read the original sources
- Semax: stroke rehabilitation comparison (Gusev and colleagues · 2018 · Published abstract · checked 2026-10-09)
- Lebedeva et al., 2018: Semax and resting brain networks (Original study abstract; 24 healthy adults, imaging outcome · checked 2026-10-09)
- Panikratova et al., 2020: Selank, Semax and brain networks (Original abstract; separate treatment arms, not a combined stack · checked 2026-10-09)