Sodium is found naturally in baked potato or table salt and must be consumed in a limited amount. Sodium supplements helps in transmitting nerve impulses, responsible for maintaining proper balance of all the essential fluids in body and also helps in muscle relaxation and contraction. Kidney is responsible for regulating sodium in body and when the amount of sodium is high in body it flushes it out from body in the form of urine. Sodium supplements are responsible for curing gallbladder disease by dissolving the deposits in ears and joints of body, ulcers in stomach. Sodium supplements can also be found in medications such as painkillers, sleeping pills, laxatives and antacids. Sodium supplements also play an important role in absorbing nutrients and helps in functioning of nervous system. However people suffering from heart disease, hypertension and kidney disorders should not take these sodium supplements as it can lead to high blood pressure and strokes. Sodium supplements should be taken only after recommendation from doctor. Sodium is also in found in fennel, wintergreen, stinging nettle, parsley, dandelion and willow. Sodium supplements are also responsible for stopping dehydration by replacing glucose and salt levels in blood. Muscle cramp can also be relieved by sodium supplement.