HMS, TIP EQ-Bank 299 MC

A weightlifter believes protein supplements will significantly increase muscle size compared to obtaining protein from whole food sources. What does current evidence suggest about this belief?

Protein supplements are always more effective than whole foods for muscle building
Supplements provide unique amino acids not available in natural food sources
Higher protein intake automatically guarantees increased muscle size regardless of source
Most athletes get enough protein from balanced diets that meet their energy needs

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\(D\)

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D is correct: Most athletes get enough protein from balanced diets that meet their energy needs, making additional supplementation often unnecessary.

Other options:

A is incorrect: Supplements aren’t inherently superior to whole foods for muscle building when protein needs are met.
B is incorrect: Whole foods provide complete amino acid profiles; supplements don’t offer unique unavailable amino acids.
C is incorrect: Muscle size depends on training, genetics and overall nutrition, not just high protein intake alone.