Essential nutrients

Definition

Essential nutrients are compounds that the body cannot synthesize on its own and must be obtained through diet. They are crucial for maintaining health, growth, and proper physiological functions.

5 Must Know Facts For Your Next Test

1. Essential nutrients include vitamins, minerals, amino acids, fatty acids, and water.
2. There are nine essential amino acids that humans must obtain from their diet.
3. Vitamins A, C, D, E, K, and the B-complex are essential vitamins required for various metabolic processes.
4. Essential fatty acids like omega-3 and omega-6 play a significant role in brain function and cell membrane formation.
5. Minerals such as calcium, potassium, and iron are vital for bone health, muscle function, and oxygen transport in blood.

Review Questions

• What are the main categories of essential nutrients?
• Why is it necessary to obtain essential amino acids from the diet?
• Which types of essential nutrients contribute to bone health and oxygen transport?

Related terms

Macronutrients: Nutrients required in large amounts including carbohydrates, proteins, and fats.

Micronutrients: Nutrients required in smaller amounts such as vitamins and minerals.

Metabolism: The set of life-sustaining chemical reactions that process nutrients to maintain living cells.