Muscle Repair Amino acids repair muscular tissue after exercise.
According to a 2021 Nutrients article, you can't develop muscle efficiently without adequate protein.
"Lacking protein can lead to poor muscle recovery after exercise," says Elmardi.
Without protein, your body would break down muscle tissue after exercise instead of building it up.
Protein-rich diets may strengthen your muscles. Meat, fish, dairy, eggs, beans, nuts, seeds, and soy contain these items."
High-Protein Foods, Muscle Strength Dietitian Protein builds muscle.