MECHANISM OF ACTION
The Limitless Stack pairs Semax and Selank for complementary nootropic coverage. Semax provides cognitive sharpening: rapid BDNF upregulation, dopaminergic enhancement, and neuroprotective ACTH-fragment activity - useful for focus, memory, and neural plasticity. Selank balances the profile: GABAergic and serotonergic modulation produces calm alertness without the edge that pure dopaminergic stimulation can create. Together they address both the activating (Semax) and anxiety-modulating (Selank) components of cognitive optimisation - modelling the effect of being sharp and calm simultaneously.
RESEARCH APPLICATIONS
- Cognitive enhancement research - focus + calm dual profile
- BDNF upregulation + GABA/5-HT balance
- Stress performance modelling (high-pressure cognitive tasks)
- Neuroprotection with anxiolytic co-modulation
- Comparative nootropic stack research
RESEARCH HIGHLIGHTS
Complementary CNS Mechanisms
Semax activates BDNF and dopaminergic pathways; Selank modulates GABA-A and 5-HT - the combination covers both neuroplasticity stimulation and anxiolysis for balanced cognitive enhancement.
Ref: See individual compound pages
RESEARCH PROTOCOL NOTES
Chemical Identity
Storage & Stability
2–8°C. Follow Semax stability (most sensitive): 30 days reconstituted.
Regulatory Status
Both components approved in Russia; neither FDA/EMA approved. Research compound blend. Not WADA prohibited.