Micronutrients are essential elements needed by life in small quantities.

They include microminerals and Vitamins. Microminerals or trace elements include at least iron, cobalt, chromium, copper, iodine, manganese, selenium, zinc, and molybdenum.

They are dietary minerals needed by the human body in very small quantities (generally less than 100mg/day) as opposed to macrominerals which are required in larger quantities.

Note that the use of the term "mineral" here is distinct from the usage in the geological sciences.

Vitamins are organic chemicals that a given living organism requires in trace quantities for good health, but which the organism cannot synthesize, and therefore must obtain from its diet.

For more information about the topic Micronutrient, read the full article at Wikipedia.org, or see the following related articles:

Dietary mineral — Dietary minerals are the chemical elements required by living organisms. Appropriate intake levels of each dietary mineral must be sustained to ...  > read more

Essential nutrient — An essential nutrient is a nutrient required for normal body functioning that can not be synthesized by the body. Categories of essential nutrient ...  > read more

Malnutrition — Malnutrition is a general term for the medical condition caused by an improper or insufficient diet. It most often refers to undernutrition resulting ...  > read more

Nutrition and pregnancy — Nutrition and pregnancy refers to the nutrient intake, and dietary planning that is undertook before, during and after pregnancy. Not only have ...  > read more

Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.

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