I believe the answer is false.
<span>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.</span>
Based on the context in word the word "Lifestyle" is used in the statement, "A career will be most productive, comfortable, and enjoyable when it fits well into one’s lifestyle", the best definition of lifestyle would be option 3 -
a way of living that shows a person’s beliefs or opinions.