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Adults older than 19 need 6-10 micrograms of vitamin B12 per day for brain health.—Christina Manian, Health, 14 May 2026 Adults should consume 15 to 20 micrograms (mcg) of vitamin D, or 600 to 800 International Units (IU), daily.—Megan Nunn, Verywell Health, 12 May 2026 One cup of raw beets contains 148 micrograms (mcg) of folate, which is about 37% of the CDC’s recommended daily intake of 400 mcg of folic acid.—Desireé Oostland, Vogue, 22 Apr. 2026 Fatalities have been reported after consuming three to 58 micrograms per liter.—Alex Gurley, PEOPLE, 21 Apr. 2026 See All Example Sentences for microgram