There are indeed many types of vitamins that are needed for the healthy functioning of your body, and any deficiency in any vitamin would lead to some problem in your body. But most of the times people do not take balanced diet every day and that leads to lot of vitamin deficiency.
You can overcome that to a major extent by using multivitamin tablets / solutions. Just log into the internet and checkout, and then take a prudent call in due discussion with your family doctor.