Some notes of caution on the recent study showed multivitamins had a minor but positive effect in reducing certain cancer rates among men (Multivitamins modestly lower risk of cancer in middle-aged and older men, study finds). Quote:
Generally speaking, people who take vitamins are a relatively healthy bunch to begin with, experts say. They tend to eat a varied and healthful diet, watch their weight and be physically active. It’s not always clear that the benefits they attribute to vitamins actually result from the pills.
“There’s a mystique about vitamins, that vitamins are some type of magical ingredient,” said David G. Schardt, senior nutritionist for the Center for Science in the Public Interest, an advocacy group in Washington. “There is a kernel of truth in that, because vitamins are essential to life. But that people will live longer or healthier lives if they take vitamins or eat foods fortified with vitamins — that’s difficult to prove.”