Its tuberous roots are big, starchy, and sweet-tasting, and are used as a root vegetable. Greens can be made from the young branches and leaves. One sweet potato provides 400% of the vitamin A your body requires each day. This benefits both your eyes and your immune system, which is your body's fight against infections. It's also beneficial to your reproductive system as well as organs such as the heart and kidneys. They're incredibly tasty, nutrient-dense, and high in fibre. This implies they can aid weight loss or maintenance by making you feel fuller for longer.