Antioxidants are the chemical compounds which protect our body from the molecules known as free radicals which are produced as a bi-product during metabolic processes in our body. They work to neutralize the effect of these free radicals. Our body produces some antioxidants, but when the number of antioxidants starts reducing within the body due to aging or environmental factors, we need to consume various antioxidant foods and supplements to fulfill our body’s requirement of antioxidants. You can find some more relevant information at https://goo.gl/7k1zRz