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https://pubmed.ncbi.nlm.nih.gov/38093477
The study found that endurance athletes who experience functional overreaching, as indicated by reduced performance and well-being, also have altered carbohydrate metabolism during exercise. Specifically, the respiratory exchange ratio and continuous glucose monitor (CGM) readings were suppressed during submaximal stages of exercise in overreached athletes. These findings suggest that monitoring CGM glucose levels during submaximal exercise following standardized nutrition could be a useful tool for detecting overreaching in endurance athletes.
