YOUNG GREEN TEA LEAF POWDER FOR FOCUS & ENERGY Matcha is tea has been revered for centuries as a natural health tonic due to the concentration of antioxidants, amino acids and minerals, as well as the potential to boost memory and focus due to the calming amino acid, L-theanine, which stimulates the production of serotonin and dopamine. It also is said to increase your metabolism and being rich in chlorophyll it may help to naturally detoxify the body and remove heavy metals.