Muscle cramps happen when your muscles tense up and you can’t relax them. While painful, usually you can treat them yourself. Exercise, dehydration, and menstruation are common causes. One way to stop cramps is to stretch or massage your muscles and to eat enough of these key nutrients: potassium, sodium, calcium, and magnesium. They’re called electrolytes, and you can find them in the following foods.
Some athletes swear by pickle juice as a fast way to stop a muscle cramp. Do you know why? While pickle juice may help relieve muscle cramps quickly, it isn’t because you’re dehydrated or low on sodium. According to research, the pickle juice sets off a reaction in your nervous system that stops the cramp.
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https://www.webmd.com/…/slideshow-muscle-cramps-foods…