Those nutrients that produce energy, namely:
- carbohydrates (≈ 4 kcal/g), of which:
- available carbohydrates (≈ 4 kcal/g)
- dietary fibers (≈ 2 kcal/g)
- polyols (≈ 2.4 kcal/g)
- organic acids (≈ 3 kcal/g)
- fats (≈ 9 kcal/g)
- proteins (≈ 4 kcal/g)
- alcohol (≈ 7 kcal/g)
Not to be confounded with macronutrients.