enhance brain performance. They are also known as “smart drugs” or “cognitive enhancers,” and can be either natural or synthetic. Nootropics are thought to work by altering the brain’s chemistry, improving communication between neurons, and increasing blood flow to the brain.
In order to be classified as a nootropic, a substance must meet several criteria, including being safe and non-toxic, having few or no side effects, and having the ability to enhance cognitive function without impairing other aspects of brain function.