Discover the ancient secret of Green Tea. L-Theanine is an amino acid from green tea leaf. It has been shown to reduce mental and physical stress, produce feelings of relaxation, and improve cognition and mood.
Research shows that L-theanine creates a sense of relaxation 30-40 minutes after you take it. It stimulates alpha brain waves so you feel relaxed but mentally alert.
L-Theanine is an amino acid found in green tea. In 1950 the Tea laboratory of Kyoto Japan successfully separated L-theanine from Gyokuro leaf, which has the highest theanine content among all teas. L-Theanine can cross the blood-brain barrier. Because it can enter the brain, L-theanine has psychoactive properties. L-Theanine has been shown to reduce mental and physical stress, may produce feelings of relaxation and improves cognition and mood.