Immune boosters work in many ways. They increase the number of white cells in the immune system army, train them to fight better, and help them form an overall better battle plan. The food are: 1. Yogurt: it is a pro biotic, full of healthy bacteria that keep the gut and intestinal tract free of disease-causing germs. 2. Oats and Barley: contain beta-glucan, a type of fiber with antimicrobial and antioxidant . 3. Garlic: contains the active ingredient allicin, which fights infection and bacteria. 4. Vitamin C tops the list of immune boosters for many reasons. 5. Omega-3 fatty acids. A study found that children taking a half teaspoon of flax oil a day experienced fewer and less severe respiratory infections. 6. Selenium. This mineral increases natural killer cells and mobilizes cancer-fighting cells.
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