Nutrition refers to the nutrients people get from food. These include carbohydrates, proteins, fats, vitamins, and minerals. Nutrition is part of how the body receives energy and materials.

Different foods provide different nutrients, such as fruits with vitamins or grains with carbohydrates. Diets vary between cultures, with meals including rice, bread, vegetables, or fish depending on the region. Nutrition is measured by looking at what people eat.

Nutrition is studied in health and science. It is part of food systems and daily life.