Matcha is rich in nutrients beneficial to health. It is a source of vitamins, minerals, fiber and antioxidants. It also contains anti-inflammatory compounds and polyphenols that may help reduce the risk of certain chronic diseases. The antioxidants in matcha may help protect against premature aging, cell damage and reduce the risk of certain cancers. Matcha can also boost metabolism and aid in weight loss. In addition, its caffeine content may help improve concentration and alertness.