Which of the following are considered macronutrients?

Macronutrients are essential nutrients that provide energy and play crucial roles in bodily functions. The primary macronutrients are carbohydrates, proteins, and fats.

Carbohydrates are the body's main source of energy, breaking down into glucose for immediate energy needs. Proteins are vital for the growth, repair, and maintenance of body tissues, and they also play a key role in the production of enzymes and hormones. Fats serve not only as a concentrated source of energy but also assist in the absorption of fat-soluble vitamins and provide essential fatty acids necessary for various physiological functions.

The other options include components that are not classified as macronutrients. While vitamins and minerals are important nutrients, they are categorized as micronutrients because they are required in smaller amounts compared to macronutrients. Sugars, while a form of carbohydrates, are not considered a separate macronutrient category. Fiber is a type of carbohydrate but is generally recognized for its role in digestive health rather than as an energy source. Water is essential for life but does not provide calories or energy and is also not classified as a macronutrient.