Ito En Cold Brew Matcha is a popular, ready-to-drink Japanese green tea that uses a unique cold-brewing (Mizudashi) method to extract smooth, mellow, unsweetened flavor from whole tea leaves and Uji matcha, offering natural antioxidants, Vitamin C, and L-Theanine for clarity, with about a third the caffeine of coffee, making it a refreshing, natural alternative to sugary drinks!