Vitamin deficiency is a condition that occurs when the body does not get enough of a particular vitamin. Vitamins are essential nutrients that the body needs to function properly. They help the body convert food into energy, repair tissues, and regulate bodily functions.
There are many different types of vitamins, each with its own unique function. Some of the most common vitamins include vitamin A, vitamin C, vitamin D, and vitamin B12. Vitamin deficiency can occur for a variety of reasons, including poor diet, malabsorption, and certain medical conditions.