When taken as directed, Modalert 200 (modafinil) is not usually thought to be very harmful to the liver, and compared to many other drugs, it doesn't pose a very high risk of doing so. But, like all drugs, it is broken down in the liver. In some cases, it can raise liver enzymes, which is a sign of liver stress. Modalert is more likely to hurt your liver if you abuse it, take too much... https://www.medzsquare.com/au/modalert-200