Vitamin C is commonly associated with helping maintain a healthy immune system and is abundant in 100% orange juice. Vitamin C strengthens our immune systems by protecting cells and promoting the production and function of immune cells.
Just like oranges, grapefruits are a great source of vitamin C. ...Like many citrus fruits, grapefruit is loaded with vitamin C, a nutrient shown to help boost your body's immune system. Grapefruit is also loaded with Vitamin A, another vitamin that has been proven to help immune function.
Berries appear to have immune-boosting benefits due to their polyphenol content, a type of plant antioxidant that gives blueberries and other berries like blackberries, strawberries, and cranberries their vibrant color.
Apples are great sources of fiber and natural sugars—but you knew that already. What you might not know is that apple skins contain quercetin, a type of plant pigment flavonoid that helps boost your immune system and reduce inflammation
Pineapple is high in vitamin C, which helps your immune system -- the body's defense against germs -- keep you healthy. It also has Vitamins A, B6, E, and K. Calcium.
Watermelon is an immune-boosting fruit. One 2-cup serving of watermelon has 270 mg of potassium, 30% of the daily value of vitamin A, and 25% of the value of vitamin C.
Kiwifruit contains vitamin C, carotenoids, polyphenols, and dietary fiber, and these are all potentially beneficial to the immune system.
Diets rich in potassium and magnesium (which is also found in bananas) can reduce the risk of stroke. As a super source of vitamin B-6, bananas can also aid your immune system, help form red blood cells, ensure a