This brief review analyzes the potential for performance enhancement through protein ingestion, whether during activity or by enhancing muscle recovery. - Protein ingestion during exercise, - Amino acid supplementation during exercise, - Protein ingestion during recovery and acute muscle adaptations, - Protein ingestion during recovery and subsequent exercise performance. Conclusions: Some studies have suggested that consuming protein with CHO during exercise improves endurance performance while other studies have reported no benefits. Additional research will resolve this debate, but it should be remembered that there is no established mechanism by which protein intake during exercise should improve performance. Recent evidence indicates that when CHO is consumed in sufficient amounts during exercise, adding protein provides no performance benefit and does not enhance muscle glycogen synthesis following exercise. Consuming a small amount (10-20 grams) of high-quality protein after exercise promotes muscle protein synthesis compared to CHO alone and may enhance the body`s response to long-term training.
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