January 10, 2022
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Updated link to reference #32.
March 29, 2021
Updated the Daily Value text, linked to the new edition of the Dietary Guidelines for Americans, and updated the associated text.
June 3, 2020
Updated the link to the Dietary Supplement Label Database in reference 17.
February 19, 2020
Updated Sources of Biotin to reflect the new Daily Value and the new Nutrition Facts and Supplement Facts Labels.
July 9, 2019
Updated the link to USDA’s FoodData Central.
September 17, 2018
Added a paragraph after Table 2 to acknowledge the updated Nutrition and Supplement Facts labels and the addition of a biotin Daily Value on these labels.
March 2, 2018
Updated Dietary Reference Intake definitions.
December 8, 2017
Added information about a new FDA advisory that taking biotin supplements may interfere with some laboratory tests.
October 3, 2017
Added a study by Li et al. about the interference between biotin and biotinylated assays.
