What is a Macronutrient?
Definition
Macronutrients (or macros) are nutrients required by the body in large amounts. The three main macronutrients are protein, carbohydrates, and fat. Each provides energy (calories) and serves different functions in the body. Protein and carbs provide 4 calories per gram, while fat provides 9 calories per gram.
Common Uses
- › Building muscle (high protein)
- › Weight loss (balanced or low carb)
- › Athletic performance (carb timing)
- › Ketogenic diet (high fat, low carb)
Converters
Key Facts
- CategoryHealth & Fitness
- Protein: 4 cal/g
- Carbohydrates: 4 cal/g
- Fat: 9 cal/g
- Alcohol: 7 cal/g (not a macronutrient but provides energy)
Related Terms
About the Macronutrient
Macronutrients (or macros) are nutrients required by the body in large amounts. The three main macronutrients are protein, carbohydrates, and fat. Each provides energy (calories) and serves different functions in the body. Protein and carbs provide 4 calories per gram, while fat provides 9 calories per gram.
Equivalents and conversions
- Protein: 4 cal/g
- Carbohydrates: 4 cal/g
- Fat: 9 cal/g
- Alcohol: 7 cal/g (not a macronutrient but provides energy)