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Top 5 Supplements - International Society Of Sports Nutrition

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Summary: Acute Effects of PRO/CHO on<br />

Protein Metabolism<br />

• Muscle is in negative protein balance without food intake<br />

• Both protein and carbohydrate before or after resistance<br />

exercise results in greater protein synthesis and net balance<br />

• Interaction between availability of AA and insulin after<br />

exercise on protein synthesis (combination of both protein and<br />

carbohydrate ideal)<br />

• Timing of supplement ingestion is important in maximizing this<br />

effect: Pre-exercise appears to be best time<br />

• Essential AA shown to be primary regulators of muscle protein<br />

synthesis<br />

• Transient post-exercise protein synthesis after protein and<br />

carbohydrate intake is not followed by a subsequent later in<br />

the day<br />

30

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