nutrient

Imagine your body as something that needs the right fuel and materials to keep going. A nutrient is a substance that living things need for growth, health, and life. Carrots give you vitamin A, and milk gives you calcium. These are common examples.

This idea is not only about people and food. Plants need these substances too, and farmers often add them to the soil so crops can grow well. You may also hear about a "nutrient deficiency" when a person does not get enough vitamins or minerals, which can cause health problems. A balanced diet helps you get a good mix of what your body needs.

A nutrient is a substance that living things need to live, grow, and stay healthy. These substances include proteins, carbohydrates, fats, vitamins, and minerals. Each one has its own role in the body.

You can think of them as the materials and support systems that keep life going. Proteins help build and repair tissue, carbohydrates provide energy, and fats support cells and help the body store energy. Vitamins and minerals help the body carry out many important processes.

The word is not limited to human or animal diets. Plants also need nutrients from the soil. Nitrogen, phosphorus, and potassium, for example, are important for plant growth. Because of this, the idea is also important in farming and environmental science.

You might hear about "macronutrients," which are needed in larger amounts, and "micronutrients," which are needed in smaller amounts. If a person, animal, or plant does not get enough of an essential nutrient, health and growth can suffer. So whether you are talking about a healthy meal, rich soil, or the basic needs of a living thing, a nutrient is one of the substances that makes life possible.