Guwahati, Feb. 25 -- Sachin Rustgi, Clemson University

U.S. consumers often pay more for gluten-free products, yet these items typically provide less protein and more sugar and calories compared with gluten-containing alternatives. That is the key finding of my new study, published in the journal Plant Foods for Human Nutrition.

This study compared gluten-free products with their gluten-containing counterparts, and the findings suggested that many perceived benefits of gluten-free products - such as weight control and diabetes management - are exaggerated.

Currently, many gluten-free products lack dietary fiber, protein and essential nutrients. Manufacturers often add supplements to compensate, but the incorporation of dietary fibers d...