Sports scientists have consistently shown that the mean upper limit of exogenous (supplemented) carbohydrate oxidation rates is 1.5 g/min or 90 g/hr. Yet, we're hearing reports of endurance athletes taking on well above 100 g/hr. Why?

Is anyone basing their carbohydrate intake on personalised testing or a simple "more is better" approach?

You can find my training zones "how-to" guide here https://link.drwillo.com/zones-podcast

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