Regularly eating a variety of nutritious foods rich in vitamins and minerals, such as citrus fruits and spinach, can help boost your immune health. Source: Healthline Immune System Boosters Feeding your body certain foods may help keep your immune system strong. If you’re looking for ways to prevent colds, the flu, and other infections, your first step should be a visit to your local grocery store. Plan your meals to include these 15 powerful immune system boosters. Food Fix: Immune System Boost 1. Citrus Fruits Most people turn straight to vitamin C after they’ve caught a cold. That’s because it helps build up your immune system. Vitamin C is thought to increase the production […]