Which category do Protein, Carbs, and Fats fall under?

Protein, carbohydrates, and fats are categorized as caloric (macro) nutrients because they are the primary sources of energy for the body. Each of these macronutrients provides a specific number of calories per gram: protein and carbohydrates each offer 4 calories per gram, while fats provide 9 calories per gram. These nutrients are essential for growth, metabolism, and overall health.

In contrast, essential micronutrients, such as vitamins and minerals, do not provide calories but are crucial for various bodily functions. Trace nutrients, likewise, refer to those nutrients required in smaller amounts, typically minerals, and are also non-caloric. Non-caloric nutrients include substances that do not supply energy but may have other health benefits, such as fiber or water. The distinction lies in the fact that caloric (macro) nutrients directly contribute to the energy balance in the body, making the correct identification of protein, carbohydrates, and fats as critical components for energy intake.