Here you’ll learn how to perfectly balance protein, carbs and fat for all-day energy, thriving health and weight management. Plus, know the difference between glycemic index and glycemic load (and which matters most.)

First, what are macronutrients?

Nutrients are substances needed for growth, energy production and other bodily functions. Macronutrients are nutrients that are needed in larger quantities (macro meaning “large”) for bodily functions and to sustain life. The three macronutrients are carbohydrates, proteins and fats.

All three macronutrients provide your body with calories, which t...