10Sweet Potatoes
Sweet potatoes contain beta-carotene, which brings the vibrant pigment in many fruits and veggies. This component is important for the production of vitamin A and white blood cells. By consuming sweet potatoes frequently, you can improve the immune system and keep your skin stay healthy and strong. It is quite surprising to know that skin is also a part of the immune mechanism. Indeed, this essential organ is the first-line defense against viruses, bacteria, and other foreign pathogens. A recommended daily intake is just 1 medium-sized sweet potato. This is enough to give you sufficient vitamin A and calories. [10]















