Four 'healthy' foods that aren't so healthy after all

These days everything from cereal to vodka is fortified with vitamins and minerals. But getting 500% of a day's worth of vitamin C might not be necessary -- or have any health benefits at all. In fact, several experts say getting mega-doses of some vitamins might even be risky, not to mention costly.

Here are four so-called "healthy" foods that actually may be harmful to your health ... and your wallet: