In the past few years, the Food and Drug Administration has gone after more than a dozen food companies for deceptive labeling, but the most important thing for consumers to do, says Ruth Frechman, a registered dietitian and spokesperson for the Academy of Nutrition and Dietetics, is to "be informed so they know how to interpret the label."
Here's a look at some of the most common front-of-the-package food labels, and what they really mean: