concepts
type: Collection
type: ConceptGroup
member: vitamins

micronutrients
type: Concept
narrower: vitamins

vitamins
type: Concept
broader: micronutrients
definition: VITAMINS ARE CHEMICAL compounds that are essential for nutrition. Because they are part of an organism's food, they are nutrients, but they have no calories. [Source: Encyclopedia of Cancer and Society; Vitamins (other than Vitamin D)]