Having a weak immune system leads to digestive issues and frequent infections that can cascade into other illnesses. Breaking this cycle can seem hopeless, especially if you have been dealing with it for a long time. Immune system issues may be the result of a serious condition that requires medical intervention, but if there is no specific medical reason for your recurring ailments, you might be able to activate your immune system and give it that extra boost in your favor.


1. More Fruits and Veggies

When it comes to boosting your immune system, pumping up your intake of fruits and vegetables is an important — and relatively easy — step. Likely, vitamin C or ascorbic acid immediately comes to mind, and there’s a good reason for that. A recent study shows ascorbic acid in the vitamin enhances natural killer cells or NK cellsin people who recently underwent chemotherapy. These lymphocytes induce apoptosis, the death of cancer cells.

But citrus fruits and supplements aren't the only nutrient options for keeping your immune system at an optimal level. Also on this lengthy list: the allicin in garlic appears to help white blood cells battle viruses, and probiotics can reduce bad gut bacteria that can cause illness and may lessen the severity of respiratory infections.

Immune system NK cells nutrition vm / Getty Images


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