Nutrients are substances that are essential for the growth, development, and maintenance of an organism. They provide energy and raw materials for various bodily functions, including metabolism, digestion, and cellular processes. There are six main classes of nutrients:
1. Carbohydrates: These are the main source of energy for the body. They are broken down into glucose, which is used by cells for energy.
2. Proteins: Proteins are essential for the growth and repair of tissues, as well as for the production of enzymes, hormones, and antibodies.
3. Fats: Fats are concentrated sources of energy and are necessary for the absorption of fat-soluble vitamins. They also play a role in insulation and protection of organs.
4. Vitamins: Vitamins are organic compounds that are essential for various bodily functions, such as cell metabolism and immune system function. They are required in small amounts and are classified as either water-soluble or fat-soluble.
5. Minerals: Minerals are inorganic substances that are essential for various physiological functions, such as bone formation, fluid balance, and muscle contraction. Examples include calcium, iron, and potassium.
6. Water: Water is essential for the proper functioning of cells, tissues, and organs. It is involved in many bodily processes, including digestion, absorption, and transport of nutrients, and regulation of body temperature.
Each nutrient has its own specific role and requirements for optimal health. A balanced diet that includes a variety of nutrient-rich foods is crucial for meeting these requirements and maintaining overall health and well-being.
Nutrients
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