Abstract
Nootropic drugs used as a memory enhancer can improve thinking, memory, and alertness in people with Alzheimer's disease and other disease that affect the mind. Memory is perhaps the most vital of all aspects that differentiates human beings from other animals. However, memory can become faulty due to several reasons, and in that case the person is not able to make full use of his or her potentials. Since ages, drugs and natural remedies have been prescribed to enhance memories in people. 4 million people are thought to be suffering from age related memory and increased risk of developing Alzheimer's disease. Although several nootropic drugs are available to treat memory problems. In recent years research on medicinal plants have been studied for nootropic activity. Bacopa monnieri (Brahmi), Evolvulus alsinoides (Shankhpushpi), Withania somnifera (Ashwagandha), Acorus calamus (Bach) etc., are used as a memory enhancer drugs. The abstract refers to several plants with their activity. The main aim of this article is to give up the data reviews on plants with nootropic properties.