India, June 10 -- A major new review published in Critical Reviews in Food Science and Nutrition has looked at common beliefs about how much protein people need and the health benefits it provides.

The study, titled Examining Widely Held Propositions on Human Dietary Protein Needs and Benefits, was based on an international workshop organized by the Indiana University School of Public Health-Bloomington. More than 20 leading protein researchers participated in the project to evaluate 11 widely accepted ideas about dietary protein, including protein obtained from food, drinks, and supplements.

The experts found that while some beliefs about protein lacked strong scientific evidence. One of the main findings was that protein quality is just...