Understanding Macronutrients

Overview of Macronutrients

• Macronutrients: Essential nutrients required in large amounts for energy and bodily functions.
• Types:
  • Carbohydrates
  • Proteins
  • Fats

Energy Values of Macronutrients

• Carbohydrates: 4 calories per gram
• Proteins: 4 calories per gram
• Fats: 9 calories per gram

Carbohydrates

• Main source of fuel for the body.
• Glucose: Every cell uses glucose derived from carbohydrates for energy.
• Fiber: Important for waste elimination and preventing constipation.

Proteins

• Essential for:
  • Growth and development, especially in children, teens, and pregnant women.
  • Tissue repair.
  • Immune function.
  • Production of essential hormones and enzymes.
  • Energy when carbohydrates are unavailable.
  • Preserving lean muscle mass.

Fats

• Misconception: Fat does not inherently make you fat.
• Functions:
  • Most concentrated source of energy.
  • Helps absorb certain vitamins (A, D, E, K) and carotenoids.
  • Provides cushioning for organs.
  • Maintains cell membrane integrity.
  • Adds taste, consistency, and stability to foods.

Key Takeaway

• Food can act as the safest medicine or a slow poison, depending on choices. Aim for a balanced diet for a well-run life.