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Bases de la nutrition

Nutrient

Nutrients are essential substances in food that support body functions, growth, and health.

Definition

A nutrient is a substance in food that provides nourishment and energy to the body, enabling it to function, grow, and maintain health. Nutrients are essential compounds required for various physiological processes.

How it works

Nutrients are organic or inorganic compounds found in food that the body needs to survive and thrive. They are classified into six main categories: carbohydrates, proteins, fats, vitamins, minerals, and water. Each nutrient serves specific functions, from providing energy and building tissues to regulating metabolism and supporting immune function. The body cannot synthesize most nutrients internally, making their dietary intake essential. A balanced diet ensures adequate intake of all necessary nutrients in appropriate proportions.

Role

Nutrients provide energy, build and repair tissues, regulate metabolic processes, and support immune function and overall health.

Examples

  • Protein from chicken
  • Vitamin C from oranges
  • Calcium from dairy
  • Iron from spinach
  • Carbohydrates from whole grains
  • Healthy fats from avocado

Recommendations

Consume a diverse range of whole foods from all food groups to ensure adequate nutrient intake. Pay attention to nutrient density by choosing foods rich in vitamins and minerals relative to their calorie content. Consider consulting a nutritionist if you have specific dietary restrictions or health conditions.

Key takeaway

A balanced diet providing all essential nutrients is the foundation of good health and disease prevention.

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