What vitamins and supplements should a 22 year old healthy female take?

Multivitamin/iron/D: It is always best to get nutrients from our diet, but most people do not get optimal amounts of all needed nutrients from our diet, so a well-rounded multivitamin with minerals is a good insurance policy to assure you are getting optimal nutrition. Menstruating women often will benefit from a vitamin that also supplies iron. Most people also benefit from taking vitamin d-see comments for details.