Cognitive injectableintranasal

Semax

By Hack SmithLast updated: How we research

Boosts focus and mental clarity naturally

Common Uses
  • Cognitive Enhancement
  • Focus/Mental Clarity
  • Neuroprotection
Evidence Grade
C — Limited — Animal study data
Used clinically in Russia; limited Western RCTs.
Safety Notes

Nearly all safety data comes from animal studies - human side effect profile is poorly established May affect blood coagulation - caution advised for those on anticoagulants or with bleeding disorders Genotype-dependent effects on seizure patterns observed in animals - caution in epilepsy

Mechanism of Action

Semax is a synthetic heptapeptide analog of ACTH(4-10) that appears to exert its effects primarily through upregulation of neurotrophins, particularly BDNF and NGF, and their receptor genes in brain tissue. It also shows moderate interaction with metabotropic glutamate (mGlu) receptors, which may contribute to its cognitive effects. The compound activates transcription of neurotrophic factors in a region-specific manner across brain structures including the hippocampus, frontal cortex, and retina. Key Pathways: Neurotrophin signaling (BDNF, NGF, NT-3) and Trk receptor activation, Metabotropic glutamate receptor modulation, Anticoagulation and fibrinolytic system enhancement under stress The upregulation of BDNF and NGF provides a mechanistic basis for observed improvements in learning and spatial memory in animal models, particularly following ischemic injury. The neurotrophin-enhancing effects also explain the compound's apparent neuroprotective properties against hypoxic and ischemic brain damage observed in rodent studies.

Common Dose Reference Ranges

Educational reference ranges only — discuss actual dosing with a qualified healthcare provider.

Low
200
mcg
Standard
500
mcg
High
800
mcg
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Full Semax protocols — frequency, timing, cycle length, reconstitution & research

Frequency: 5 on/2 off or every other day
Half-life: 2-5 minutes (serum)
Cycle length: 4 weeks
Side Effects
  • Altered neurotrophin expression patterns
  • Potential seizure threshold modulation
  • Dose-dependent efficacy with bell-shaped curve
  • Anticoagulant effects
  • Altered erythrocyte deformability
Compatible Stacks
SelankPiracetamMexidol (Emoxypine)Alpha-GPC or CDP-Choline
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