6 Nutrients That Boosts Immune System & Prevents Sickness We have all heard that a great immune system plays a vital role in keeping us healthy, but how to keep it in a good form is still unknown to many. If you have a good immune system, your body is able to fight the germs you come in contact with daily, keeping you from falling sick. It is true that your immunity loses its strength with your age, but there is much you can do to boost it and prevent sickness to a great extent. First off…