Nootropics are supplements that naturally support brain health and cognitive functions with low occurrence of side effects. Nootropic supplements are classified as either synthetic, those that are made in the lab and the natural nootropics. These brain support nutrients work by promoting healthy production of neurotransmitters, chemicals used by the brain cells to communicate with each other or transmit impulses. Higher levels of neurotransmitters in the brain aid in improving concentration, enhanced memory, positive mood, stronger mental performance, and longer attention span.