Green tea is popular all over the world for its many purported health benefits due to its high antioxidant content. This antioxidant activity helps support your body when attacked by environmental factors or any kind of infection and also helps encourage a healthy metabolism.
As far as green tea and colds, more research is needed. While green tea might give you an energy boost while you are suffering from a cold and help relax the throat, we can’t be sure about the effects of green tea whether it is for the long term or just momentarily.