Vitamins are nutrients that the body needs to maintain its functions, metabolic processes, and immunity. It is worth noting that some vitamins dissolve in fats, and are stored in the body’s fat cells, and they also need fats to be absorbed, and may cause poisoning if eaten in large quantities. This is because the body cannot get rid of them. As for vitamins that dissolve in water, they are not stored in the body, and they break down when cooked, and when ingested, the body absorbs its need, and then the excess quantities are easily disposed of.