Matcha leaves are grown on green tea bushes kept under shade which increases the amount of chlorophyll content in the leaves which is what makes them bright green and full of nutrients. The leaves are traditionally ground by granite stones into a super fine powder. Matcha is high in catechins that can contribute to lowering blood pressure and cholesterol. Matcha Green Tea has the highest antioxidant rating of all major superfoods. Matcha contains caffeine which can help keep you awake and focused when you need to be. The combination of caffeine and l-theanine promotes a high level of concentration.