odvigil 200mg is a potential nootropic category drug that is used in the treatment of excessive daytime sleepiness in patients with narcolepsy, obstructive sleep apnea and shift-work sleep disorder. It is clinically approved by the FDA (Food and Drug Administration) in 1998. Modvigil works by alleviating certain neurotransmitter in the brain and helps user stay awake and alert during working hours.
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