Green tea is known for its antioxidant properties. With Citron green you get the antioxidants from the green tea and Vit. C from the lemon lime twist. The added pop of Berry Blues Herbal gives you the Apple (an apple a day keeps the doctor away), BlueBerries and Cranberries which are also known to be antioxidents. With all the good stuff in this tea, it is a natural good health immune system booster. In cold and flu season, we need all the help we can get to fight the germs. Cheers to good health !