Nootropics, also called "smart drugs", are substances that aim to improve cognitive functions such as memory, concentration, learning and creativity. Thanks to their unique properties, nootropics are becoming increasingly popular, both among students and professionals looking for ways to increase brain performance. Although nootropics are mainly used for cognitive purposes, some of them also have properties that support neurological health and protection of brain cells from oxidative stress. In this article, we will discuss what nootropic boosters are, how they work and in what situations it is worth using them. We will also answer the question of whether they are safe, and what their potential side effects may be.