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Whey protein is considered a
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high-quality protein because it contains
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all of the essential amino acids that
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your body needs, including a high amount
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of leucine, an amino acid that plays a
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major role in stimulating muscle protein
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synthesis. Muscle protein synthesis is
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the process your body uses to repair and
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build muscle tissue. And this process is
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constantly happening in the background.
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You're actually doing it right now. The
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amount of muscle you have depends on the
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balance between muscle protein synthesis
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and muscle protein breakdown. When
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synthesis is greater than breakdown,
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muscle grows. And when breakdown is
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greater than synthesis, muscle is lost.
