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Women and men 51 and over should get at least 15 micrograms, or 600 International Units (IU) of vitamin D per day, with a Tolerable Upper Intake Limit (UL) of 100 micrograms (4,000 IU).—Laura Schober, Health, 6 Mar. 2025 How to Meet Your Daily Requirements The adequate intake (AI) of vitamin K for adults is 90 micrograms for women and 120 micrograms for men.—Elizabeth Barnes, Verywell Health, 4 Mar. 2025 The concentration of an air pollutant is measured in micrograms per cubic meter of air, or µg/m3.—Scott Lafee, San Diego Union-Tribune, 18 Feb. 2025 Taking into consideration all food and drink sources that contain selenium, plus any supplements, adults should not take more than 400 micrograms daily.—Daryl Austin, USA TODAY, 4 Feb. 2025 See All Example Sentences for microgram
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