Daily supplements of 500 to 1500 milligrams of vitamin C per day may provide some benefit to individuals engaged in strenuous exercise who experience frequent viral infections.

Question

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Studies have shown that vitamin C supplementation in doses of 500 to 1500 milligrams per day can enhance the immune system and may reduce the frequency of viral infections in people who engage in strenuous exercise, as their intense physical activity can sometimes compromise their immune function.

Daily Supplements of 500 to 1500 Milligrams of Vitamin C