Efficacy of front-of-package nutrient labels designed for mandatory implementation in the USA: an online randomised controlled trial
In 2025, the U.S. Food and Drug Administration (FDA) proposed a mandatory single front-of-package label (FOPL) listing low, medium, or high descriptors and the percent Daily Value (%DV) for saturated fat, sodium, and added sugars. Effects of this scheme (referred to as Nutrition-Info-%DV) on consumer understanding, perceptions, and behaviors are largely unknown; thus, this study More