I think kitty makes a good point. I don't think that one type of vitamin is the miracle cure for a majority of people out there. It's just not that easy. Your body needs to be clean and free of toxins otherwise the vitamin isn't going to have an ideal environment to work in. I tried taking all the so called vitamins to clear up my skin and it just doesn't work unless you have the dramatic life style and eating habits change too. The rest of it is far more important than a vitamin in the long run.