Vitamin C can be found in high concentrations in citrus fruits. This essential vitamin plays a critical role in maintaining a healthy immune system, supporting skin health, and acting as a powerful antioxidant. Citrus fruits such as oranges, lemons, limes, and grapefruits are particularly rich in vitamin C, making them popular dietary choices. They can help reduce the duration and severity of colds and provide other health benefits, such as promoting collagen production and aiding in iron absorption. Including a variety of citrus fruits in one’s diet is an easy and delicious way to boost vitamin C intake.