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Fructose and Nausea During Exercise

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The following question focuses on a specific saccharide. There are athletes who cannot consume juices during exercise as it causes them severe intestinal cramping, is this due to fructose or another factor?

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Solution Summary

This solution describes the reason for nausea caused by fructose during exercise.

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The main cause of GI problems, including intestinal cramping, amongst athletes who consume juice is fructose malabsorption. It's caused by a deficiency of a protein in the small intestine. Fructose is absorbed easily when it is paired with glucose. Most fruits are not made with an equal ...

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