Enjoy Ito En Oi Ocha Japanese Green Tea. Oi Ocha Contains A Wide Array Of Natural Components, Which Give It Such A Distinctive Flavor, Color And Aroma. These Components Include Catechin, Amino Acids (Theanine), Caffeine, Vitamins, Saponin, Flavonoids, Gava, Fluoride, And Others. Each Of These Components Contributes To Green Tea's Flavor, Color And Aroma, And Has Been Extensively Research By Ito En Over Many Years. (Note: Description is informational only. Please refer to ingredients label on product prior to use and address any health questions to your Health Professional prior to use.