Your immune system should be strong. Only when it is powerful enough can you fight various illnesses and diseases. Eat the right selection of foods and enjoy a healthier life. 

1. Watermelon

Glutathione is an element found in watermelons. These fragrant and refreshing fruits also help your immune system to restore after infection or prevent the flu. Opt for ripe watermelons only since they contain more glutathione.

2. Button Mushrooms

Include button mushrooms in your menu since this food is full of niacin and riboflavin. As we know, the B vitamins strengthen your body and make your immune system more resistant to illnesses. Button mushrooms also contain selenium.