Macronutrients

Definition

Macronutrients are the nutrients in food that our bodies need in large quantities for energy, growth, and bodily functions. They include carbohydrates, proteins, and fats.

Scientific / Technical Definition

Macronutrients are the three types of nutrients found in food that provide calories or energy. They are required in larger amounts compared to micronutrients because they serve as the primary energy sources for the body. Carbohydrates provide 4 calories per gram, proteins also provide 4 calories per gram, and fats provide 9 calories per gram.

Benefits

• Provide energy for daily activities and bodily functions
• Support muscle growth and repair
• Essential for the absorption of vitamins
• Aid in the regulation of body temperature and the function of vital organs

Examples

• Carbohydrates: grains, fruits, vegetables
• Proteins: meat, beans, tofu
• Fats: oils, nuts, avocados

Additional Information

• Importance: Macronutrients are crucial for providing the energy and building blocks necessary for a healthy metabolism, proper organ function, and overall well-being. Balancing your intake of macronutrients is key to maintaining optimal health.

Related Terms

• Micronutrients
• Carbohydrates
• Proteins
• Fats
• Dietary Fibers

References

• Nutrition and Healthy Eating - Understanding Macronutrients
• Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids