Low potassium levels can lead to more than just muscle spasms and cramps — you might also experience muscle aches and stiffness. Normal muscle function requires potassium, and it also helps regulate muscle contraction to potentially reduce issues like leg cramps, especially when taken with magnesium. When you're deficient in potassium, your muscles may feel sore, tight, or less flexible than usual. Including potassium-rich foods in your diet may help alleviate these discomforts and promote muscle health.

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