Apples are a rich source of vitamin C, which builds up the immune system. Eating a small apple (100g) gives an antioxidant effect equivalent to taking 1500mg of vitamin C . Apples contain many naturally occurring chemicals in addition to vitamin C, including antioxidants called flavanoids and polyphenols . These chemicals found in apples are known to be anti-allergenic,anti-carcinogenic,anti-inflammatory and anti-viral.
An apple a day keeps the doctor away holds true and having your apple a day is the shortcut to your health.