In 2016, the FDA announced a multitude of changes coming to nutrition labeling in the United States, requiring most companies to comply by July 2018.
Among these changes were updates to the percent daily values for a multitude of nutrients. For example, daily values of fiber, calcium, and potassium will increase. Since foods must contain a specified amount of a nutrient to make a content claim (e.g. “Source of”, “Excellent source of”), changing percent daily values means the required nutrient content to make claims will also change.
This resource from Watson Inc is a great tool to see which nutrients have changing daily values, including an infographic summary.

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