How many vitamins should i eat everyday ?

Many studies: With healthy food probably nothing. Do not waste your money. If still inclined, 1/2 is fine. But better with veg, salad, fruit and fish.

Good mulivit, Vit D: While taking vitamins is no substitute for a healthy diet, the vast majority of americans are deficient in vits. & minerals. Even the american medical ass. Says"it appears prudent for all adults to take vitamin supplements."i advise a good quality multiple-see http://www.Multivitaminguide.Org/ for independent ratings of 101 brands-any in the top 20 are good.Also take 5000 iu of d in fall & winter.