A dietician examines the diet of a patient who is complaining that he is unable to build muscle mass. The patient eats mainly fresh fruits, vegetables, pasta, bread, and some fats and oils. Which type of supplement will the dietician most likely recommend?

Muscles are made largely of proteins, and proteins are built from amino acids. The patient’s diet includes plenty of fruits, vegetables, bread, and pasta, but it may not provide enough protein to support muscle growth. The dietician would most likely recommend amino acids, the building blocks needed to make muscle proteins.

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