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What is a good immune system supplement to take?

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Quick Answer

Some good supplements that support the immune system are astragalus, omega-3 fatty acids, probiotics, vitamin D and zinc, reports Vitality magazine. Vitamin D3 is the finest vitamin D supplement to take, according to the Vitamin D Council.

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Vitamin D helps prevent over 200 illnesses, including cancer, colds and flu. A daily dose of 5,000 to 10,000 international units is most beneficial, notes Vitality magazine. Omega-3 fatty acids support vitamin D, prevent heart disease and protect the lungs. Astragalus is a Chinese herb that prevents infections.

Probiotics are good bacteria in the gut that help the immune system, improve digestion and protect the body from harmful bacteria. The good bacteria transform the immune system by increasing the production of T lymphocytes. Taking 50 milligrams of zinc per day prevents many harmful infections, explains Vitality.

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