Nootropics are not a superhuman drug that instantly makes you substantially smarter. However, they can improve and support your cognitive functions in a number of different ways, depending on the nootropic(s) you are taking.While the use of nootropics does not directly increase your intelligence, they can improve your ability to engage in intellectual activity more effectively. If you are able to increase your cognitive ability by a few percentage points each day, over a period of time, your mental improvement can gradually compound.