Vitamins From Food Are Best
A vitamin a day may do more harm than good - Diet & Nutrition - MSNBC.com
Of 21 brands of multivitamins on the market in the United States and Canada selected by ConsumerLab.com and tested by independent laboratories, just 10 met the stated claims on their labels or satisfied other quality standards.Most worrisome, according to ConsumerLab.com president Dr. Tod Cooperman, is that one product, The Vitamin Shoppe Multivitamins Especially for Women, was contaminated with lead.
If you eat well you should be able to get all of the necessary vitamins and minerals. And if you use a program like CRON-o-meter to log your food intake you can find out what, if anything, you are missing and either make dietary adjustments or use specific supplements to make up any shortfall.