Nutrients

Definition

Nutrients are substances obtained from food that are essential for the maintenance of body functions, growth, and overall health. They include macronutrients like carbohydrates, proteins, and fats, as well as micronutrients such as vitamins and minerals.

5 Must Know Facts For Your Next Test

1. Nutrients are classified into macronutrients and micronutrients.
2. Macronutrients provide energy and include carbohydrates, proteins, and fats.
3. Micronutrients do not provide energy but are crucial for metabolic processes; they include vitamins and minerals.
4. Water is also considered an essential nutrient due to its critical role in bodily functions.
5. A balanced diet must contain all essential nutrients in appropriate amounts to promote optimal health.

Review Questions

• What are the two main categories of nutrients?
• Why are micronutrients important even though they do not provide energy?
• Name three macronutrients that supply energy to the body.

Related terms

Macronutrients: Nutrients required in large amounts that provide energy; includes carbohydrates, proteins, and fats.

Micronutrients: Nutrients needed in smaller quantities that are vital for body functions; includes vitamins and minerals.

Balanced Diet: A diet that includes a variety of different foods providing adequate amounts of all necessary nutrients.