L Theanine Powder: Benefits and Supplements
L-Theanine is an amino acid that can be found in black and green tea and in some mushrooms. Theanine comes in two forms, D-theanine and L-Theanine. L-Theanine is the form used to improve mental function, and help with stress, mental impairment, anxiety, and other conditions. It’s a naturally-occurring amino acid that has a chemical structure …