NIH Office of Dietary Supplements (ODS) - The recommended dietary allowance (RDA) for vitamins and minerals and the Daily Value (DV) listed on labels for dietary supplements and foods often match—but not
Changes to the Nutrition Facts Label | FDA
Mandated Label Change to Supplement Facts and Nutrition Facts Boxes | XYMOGEN®
FDA Announces Final Regulations on Nutrition and Supplement Facts Labels and on Serving Sizes