Tag: Vital substances

A person can live for several weeks without food, but only a few days without water. Although many substances are vital, water is the most important substance for humans because it supports nearly every bodily function.

According to the National Institutes of Health, nutrients are chemical compounds in food used by the body to function properly and maintain health. The answer to what are nutrients also known as, however, goes beyond a single word and depends on their function and quantity needed by the body. These vital substances can be categorized as macronutrients and micronutrients, each playing a distinct role in keeping us healthy.