<p class="MsoNormal">Nootropics are also called Smart drugs, available under various generic and brand names. The main function of Nootropic is to elevate brain activity by releasing neurotransmitters in the brain such as dopamine, histamine, orexin, norepinephrine, etc. These promote wakefulness and alertness help users to achieve activeness, and help to improve impaired mental awareness. Popular Nootropic Modafinil is an effective choice and is also available under the brand name Modalert. Learn more about these Nootropics.