The authors reported that cyclists with extremely low energy availability on race days (< 10 kcal per kg fat free mass) showed a trend toward decreased testosterone (− 14%) and insulin-like growth factor-1 (− 25%), even though energy availability was normal on rest days.
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A Narrative Review of the High-Carbohydrate Fueling Revolution (≥ 100 g/h) in the Professional Peloton.
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