A lack of Vitamin D can manifest in a dull complexion, showcasing various visible signs. When your body lacks this essential vitamin, your complexion may take on a slightly greyish tone, and your skin might not feel as plump or supple as it usually does. Additionally, you might notice the presence of darker under-eye circles.This is attributed to the fact that Vitamin D plays a crucial role in the regeneration of skin cells, ensuring they renew and remain healthy. Without an adequate supply of Vitamin D, the skin’s natural ability to rejuvenate is compromised, leading to these noticeable changes in appearance. Therefore, maintaining sufficient levels of Vitamin D is not only essential for overall health but also contributes significantly to maintaining vibrant and healthy-looking skin.