Decades of research has failed to find any substantial evidence that vitamins and supplements do any significant good. In fact, recent studies skew in the opposite direction, having found that certain vitamins may be bad for you. Several have been linked with an increase in certain cancers, for example, while others have been tied to a rise in the risk of kidney stones.
Unless your doctor has specifically told you to take certain vitamins or supplements, most likely, you are wasting your money and possibly putting your health at risk. That said, it would still view this article with some skepticism because what they say about health and nutrition is always in a state of flux and the recommendation might be different tomorrow.