What is the role of Vitamins in our diet?

Vitamin is such a nutrient which is very essential for physical growth and functions and prevention and fights against diseases, although vitamin is found in very small quantities in our body if it is not consumed in proper quantity then its deficiency can cause many diseases. Our body cannot produce them on its own, so it is necessary to take them diet. Vitamins also work to regulate the activities of our body, they are also called life elements.