Matcha powder is made up of very finely ground young green tea leaves. It has a rich history in Japanese tea ceremony and is an easy, tasty way to add health benefits to your diet. Matcha powder is packed with antioxidants and helps boost metabolism. It is also rich in vitamin c, selenium, chromium, zinc and magnesium. Add a little milk to make your own matcha latte! Some find that drinking matcha on an empty stomach results in stomach ache, so try it after a meal if you are prone to belly problems.