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In page Molybdenum:

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For U.S. food and dietary supplement labeling purposes, the amount in a serving is expressed as a percent of Daily Value (%DV). For molybdenum labeling purposes 100% of the Daily Value was 75 μg, but as of May 27, 2016 it was revised to 45 μg.[4] A table of the old and new adult Daily Values is provided at Reference Daily Intake. The original deadline to be in compliance was July 28, 2018, but on September 29, 2017 the Food and Drug Administration (FDA) released a proposed rule that extended the deadline to January 1, 2020 for large companies and January 1, 2021 for small companies.[5]