Semax

Peptides

Updated : May 10, 2026

Class: Nootropic / Neuroprotective Peptide

Semax is a synthetic heptapeptide analogue of ACTH developed in Russia. Unlike ACTH, it has no hormonal activity but potently stimulates BDNF and NGF, promoting neurogenesis and neuroprotection. Widely used for cognitive enhancement, recovery from neurological injury, and stress resilience.

Key Benefits

  • Increases BDNF promotes neurogenesis and brain plasticity
  • Enhances focus, memory, and cognitive performance
  • Neuroprotective – studied for stroke recovery and TBI
  • Reduces anxiety and improves stress resilience
  • Immune modulation and anti-inflammatory CNS effects

Standard Dosage Scheduled

Parameter

Details

Intranasal Dose

200-900 mcg (1-2 drops per nostril)

Subcutaneous Dose

200-600 mcg injection

Frequency

1-2 times daily (AM for cognitive benefit)

Cycle

2-4 weeks on, 1-2 weeks off

Note

Effects felt within 30-60 minutes of intranasal administration

Semax

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