For which nutrient may athletes' requirements be above the Upper Level of Intake that is recommended for the general population?

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Athletes may have higher requirements for sodium due to increased sweating during exercise and the need to replace lost electrolytes. The Upper Level of Intake (UL) for sodium is set at 2,300 mg/day for the general population, but athletes may require more to maintain proper hydration and electrolyte balance. However, it is important to note that excessive sodium intake can lead to adverse health effects, such as high blood pressure, so athletes should work with a registered dietitian to determine their sodium needs.

For Which Nutrient May Athletes' Requirements Be Above the Upper