Health

Health is the general condition of a person in all aspects. It is also a level of functional and/or metabolic efficiency of an organism, often implicitly human. [...]

Nutrient, Nutrients

A nutrient is a chemical that an organism needs to live and grow or a substance used in an organism’s metabolism which must be taken in from its environment. [...]

Vitamin

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. [...]