What is L-Theanine?
A water-soluble amino acid naturally found in black tea leaves, green tea leaves and Bay Bolete mushrooms.
Found In
What Does It Do?
L-theanine has been studied in scientific research, if you want to know more about this amino-acid you can easily find some articles by yourself.
Consumption of matcha is especially interesting-since it contains both caffeine and L-theanine.
