Biologically Active Substance
micronutrient Audio
mi·cro·nu·tri·ent [ mahy-kroh-noo-tree-uh nt, -nyoo- ]
Subclass of:
Physiological Effects of Drugs
Definitions related to micronutrients:
  • A property indicating a class of food components required for proper health and that are typically consumed in microgram or milligram amounts.
    CRCH Nutrition Terminology
    Cancer Research Center of Hawaii, University of Hawaii, 2021
  • Essential dietary elements or organic compounds that are required in only small quantities for normal physiologic processes to occur.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Vitamins and minerals needed to maintain normal body functions and prevent certain illnesses.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.