From non-GMO to gluten-free, here's what the most common food labels mean and who regulates each one. Korin Miller has spent nearly two decades covering food, health, and nutrition for digital, print, ...

You see them every time you’re in a grocery store. Labels with promising claims like “natural,” “very low sodium,” and “sugar-free.” What do they really mean, and should you pay more for products ...

Ms. Morgan is a food systems consultant. Mr. Bittman is a former Opinion columnist and a special adviser on food at Columbia University’s Mailman School of Public Health. See more of our coverage in ...