Nootropics are natural compounds that can improve your performance on a wide range of conditions. Some of the most popular natural supplements are:
L-theanine: Nootropic supplement that is an amino acid found in green tea, brown rice, and other leafy greens. Its main ingredient is theanine which is known as the "feel good chemical" in many cultures. Theanine is thought to be a mild stimulant for short-term memory, increased focus and concentration, and improves your ability to sleep. A small clinical trial at the University of Pittsburgh School of Medicine found that L-theanine improved memory in older adults, while also improving their overall health and overall quality of life. L-Theanine can be taken by mouth for at least 30 days. For more info on L-theanine, click here L-Citrulline: A naturally-occurring amino acid, it is a precursor to theanine, used as a source of energy for your body. It is used in a wide variety of energy drinks, which is why some of these supplements are named "energy drinks". Citrulline also has a good reputation as an anti-inflammatory. It also plays a role in reducing the risk of developing heart disease. It has also been shown to reduce the risk of cancer.