Modafinil Onlinehas several effects on different catecholamine systems in the brain. Its arousal and activity-promoting effects are largely mediated by DA receptors. Its effects on these two systems have been observed at doses as high as 100 mg/kg. Furthermore, it appears to be involved in changes in the levels of GABA and serotonin.
Modalert 200 MG** works by increasing the amount of extracellular glutamate in the brain. Glutamate activates NMDA receptors, which are important for learning and memory. It also stimulates the activity of the histamine receptor, which is a key regulator of the fight-or-flight response. This mechanism could account for Modafinil’s wake-promoting and neuroprotective effects.