We've all heard of electrolytes, but how well do you really know what they are and how they work? Electrolytes are electrically charged minerals, such as sodium, calcium, potassium and magnesium, that when balanced, help regulate blood chemistry, muscle action and other processes. Electrolytes need to be replenished regularly because you lose electrolytes when you sweat and when you urinate. It is especially important to stay hydrated and supplement your body with electrolytes when spending time in the heat or when sweating profusely. While water is perfect for maintaining proper hydration, it does not contain electrolytes. If you are concerned about your electrolyte levels, you may want to consider coconut water as an alternative form of hydration for times when you need it most, like after a strenuous workout. Coconut water is sterile when it comes out of the coconut, and extremely similar in composition to human blood plasma - so much so that it has been used as an IV fluid by physicians during war and in remote areas of the world for more than 60 years. It is completely safe and naturally compatible with the human body. For a light sodium boost, try adding a small pinch of natural salt to your coconut water. Olives, seaweed, rye, tomatoes, lettuce, and celery can help you replenish your chloride levels. Oranges, melons, raisins, prunes, bananas, sweet potatoes, avocado, peas, beans, spinach and kale are all excellent choices for a potassium boost.
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Fluid and electrolyte balance. MedlinePlus.
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