Panel A: US Food and Drug Administration. Dietary supplement labeling guide: Chapter IV. Nutrition labeling. 2005. Available at: https://www.fda.gov/food/dietary-supplements-guidance-documents-regulatory-information/dietary-supplement-labeling-guide-chapter-iv-nutrition-labeling (Accessed on June 16, 2022).
Panel B: US Food and Drug Administration. Changes to the nutrition facts label. Available at: https://www.fda.gov/food/food-labeling-nutrition/changes-nutrition-facts-label (Accessed on June 16, 2022).
Panel C: US Food and Drug Administration. OTC drug facts label. Available at: https://www.fda.gov/drugs/information-consumers-and-patients-drugs/otc-drug-facts-label (Accessed on June 16, 2022).