Both fats and protein is essential for the human body. Carbohydrates are not essential. So the answer is protein and fats.
The 6 types of nutrients are, water, carbohydrates, fats, vitamins, minerals and proteins.
Protein, carbohydrates and fats
CARBOHYDRATES FATS PROTEIN
When your body needs energy, it will first use carbohydrates stored in your body, sparing the protein and fats in your body. When the stored carbohydrates are depleted, the body will start using protein and fats.
carbs
carbohydrates, fats, and protein
you need 10% protein, 5% carbs, and 85% healthy fats
calcium,protein,minerals,carbohydrates and fats!.....:)
To sustain life on Earth
They eats carbohydrates and fats specially protein
protein carbohydrates fat