What are the three main nutrient groups?
The three main nutrient groups, also called macronutrients and macros for short, are protein, carbohydrates, and fat.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What are the three main nutrient groups?
### Input: 
### Response: The three main nutrient groups, also called macronutrients and macros for short, are protein, carbohydrates, and fat.