Macronutrient
4 nutrients
Protein
Protein is a macronutrient that provides 4 calories per gram and is made of chains of amino acids. Proteins build and repair tissu...
Water
Water makes up about 60 percent of body weight in adults and is essential for life. It is the medium for chemical reactions, trans...
Carbohydrates
Carbohydrates are a macronutrient that provides 4 calories per gram and the main fuel for the brain and for muscles during intense...
Fats Lipids
Dietary fats provide 9 calories per gram, making them the most energy dense macronutrient, and are needed to absorb vitamins A, D,...