This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio.
On your last visit to the grocery store, you may have noticed the multitude of products proclaiming “no trans fats,” or “gluten-free,” or “high fiber.” These voluntary claims are one way companies compete for customers. But what influences food companies’ use of these claims, and are they successful in boosting sales?
