Plant-Based Energy: Each bottle contains natural caffeine for a gentle energy boost and is powered by green tea’s unique properties. Antioxidant Superfood: ITO EN’s ready to drink iced teas provide refreshing and powerful catechin antioxidants that support a healthy immune system. Green tea contains vitamin C, antioxidants, catechins, EGCGs, amino acids, and L-theanine. For maximum quality and taste, please consume by the “Best By” date printed on the bottle. Refrigerate after opening.