There are 13 _____ used by the human body to maintain health.
There are 13 vitamins used by the body to maintain health. These are: vitamin A, vitamin C, vitamin D, vitamin E, vitamin K and vitamins B1, B2, B3, B5, B6, B7, B9 B12. Vitamins A, D, E and K are stored in fat, and the others are water soluable. As a result these vitamins must be regularly replaced.