Ask the Nutritionist: Build Muscle With Protein
"When it comes to building muscle, is protein the only macro that matters?"
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It’s true that the amino acids in protein-rich foods are needed to rebuild after vigorous exercise, but protein is not all that matters in the muscle-building game.
You also need carbohydrates to power you through that workout and replenish energy stores, and fat helps create and maintain the hormones necessary to build muscle. When you eat from a variety of food groups, you’re guaranteed to get a distribution of these three nutrients, so make sure your meal planning is balanced and complete.