06 JUN, 2020 Gulshan Mahour 82
Medically reviewed by Amy Richter, RD — Written by James Schend — Updated on April 30, 2020
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.
1. Citrus fruits
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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 of white blood cells, which are key to fighting infections.
Almost all citrus fruits are high in vitamin C. With such a variety to choose from, it’s easy to add a squeeze of this vitamin to any meal.
Popular citrus fruits include:
If you opt for supplements, avoid taking more than 2,000 milligrams (mg) a day.