for salt look up topics around: https://medlineplus.gov/ency/article/000394.htm https://medlineplus.gov/ency/article/000394.htm Magnesium and potasium main bu

for salt look up topics around: https://medlineplus.gov/ency/article/000394.htm https://medlineplus.gov/ency/article/000394.htm Magnesium and potasium main but not only function is to regulate heart beat. Lack of them might lead to arrhythmia and other complications. Not sure about muscle loss.