Check out this article from the New York Times about six claims on labels that we shoudl ignore:
Six Meaningless Claims on Food Labels
The six meaningless claims are:
1. "Lightly sweetened"
2. "A good source of fiber"
3. "Strengthens your immune system"
4. "Made with real fruit"
5. "Made with whole grains"
6. "All natural"
Check out the article to find out why these are bogus claims, then read
CSPI Urges FDA Crackdown on False & Misleading Food Labeling for some egregious examples of misleading labeling. If you have lots of time on your hands, read the full Center for Science in the Public Interest 158-page report
here.