Top 10 Natural Ways to Increase Your White Blood Cell Count and Immune System

Brazil nut, healthy food ingredient in heart shaped tray

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3. Selenium

Selenium can help build up your white blood cells, according to the University of Maryland Medical Center, and some other studies show that selenium itself can help fight infections.

One study showed that when elderly persons took both selenium supplements and zinc, their immune systems responded better to the flu vaccine than those who only consumed a placebo.

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