What is Nutrition ?
Nutrition is the study of food and how the body uses it.
Nutrients are chemical components of food that are essential for energy, growth, cellular repair, and regulation of metabolic functions.
What are the Essential Nutrients ?
The body needs six essential nutrients or component of food to function.
Carbohydrates, fats, and proteins are energy nutrients because they provide energy for the body
They are referred to as macronutrients.
Energy in foods is measured in units called calories
The remaining three nutrients are vitamins,minerals,and water.
They do not provide energy, but they do play a critical role in health.
Vitamins are referred to micronutrients because they are needed in relatively small amounts to support normal health and body functions.