Ways you can support the immune system Supporting optimal immune function with adequate nourishment and healthy habits is essential not only to sustaining the body’s natural defenses, but also to maintaining overall health. Below is a variety of diet and lifestyle recommendations that can help support healthy immune system functions every day. DIET Avoid Too Much Sugar Avoid high-sugar foods and sugar-sweetened beverages. This one simple change can go a long way toward enhancing energy and avoiding energy crashes throughout the day. Eat More Garlic & Onions Garlic and onions are part of the group of plants called “alliums.” These spicy plants are high in phytochemicals that support the immune…