L-Theanine, or聽L-2-amino-4-(ethylcarbamoyl)butyric acid, is found in tea leaves and the mushroom聽Boletus badius. A May聽聽suggests that聽L-theanine can help you improve your concentration and mental stamina. The amino acid has been added to some SoBe, Vitamin Water, and Gatorade products.
MOTW update:聽
December 5, 2022
L-Theanine1, the Molecule of the Week for June 15, 2009, is a natural amino acid found in tea leaves and a species of mushroom. It is purported to have beneficial psychological effects; but this past month, Wei Xu, Wen-Jun Xiao, and co-workers at Hunan Agricultural University (Changsha, China) described a potentially more significant medical breakthrough. They found that L-theanine modulates intestine-specific immunity in mice, which, if it acts similarly in humans, can lead to treatments for , the main protein in egg whites.
1. CAS Reg. No. 3081-61-6.
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