Even though very small amounts of each vitamin are enough for the needs of the body, the worry people have about vitamins has some reasons. And this has to do with their __ 1_ --- the food they take in. A person eating a good variety of food get all the vitamins now __ 2 ___ (know) to be needed. The problem is that there are many people who don’t ___ 3_ __ foods wisely. So the answer ___ 4 ___ this question is: No extra ___ 5_ __ are needed, ___ 6 __ you eat proper foods. In fact, many of the vitamins cannot be ___ 7_ __（store） in the body, so when extra vitamins are taken in, the body simply gets rid of them. It is even ___ 8   _ __ (harm) to put too much of certain vitamins into the body. This has been found to be ___ 9 (truth) of vitamin A and D, when ___ 10    _ __ amounts are taken in.