Yes, it does. In general I think smart drugs are safe, but their efficacy is questionable. The word on the street is that they improve intelligence, memory, and concentration. However, there are really no studies supporting these claims. Cognitive enhancer is a pretty vague term for substances that might boost mental functioning.
Enthusiasts claim they cause remarkable surges in memory.
We don't really know how they work although it's generally speculated that they affect nerve pathways in the brain that use acetylcholine as a neurotransmitter. They are amino acids that, if taken on an empty stomach, may influence brain function. L-tryptophan promotes relaxation and sleep but is unavailable in the United States. Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.