How exogenous carbohydrate oxidation rates are measured, and how to read the results.

Make sure you first watch the basic video explaining the background and results from our recent exogenous carbohydrate oxidation study:
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Summary:
By measuring the amount of oxygen consumed and the amount of carbon dioxide produced, you can calculate how much fat and carbohydrate is burned as fuel during exercise (indirect calorimetry). By using a tracer, in thise case 13C, you can seperate endogenous carbohydrate oxidation (how much liver and muscle glycogen you burn) and exogenous carbohydrate oxidation (how much of the carbohydrates you ingest you burn). You want exogenous carbohydrate oxidation as high as possible so you're less dependend on endogenous carbohydrate oxidation.
Peak exogenous carbohydrate oxidation rates reflect the true carbohydrate oxidation rates.

Our paper paper measuring exogenous carbohydrate oxidation:
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Read more nutrition and exercise material:
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