Our expert says:
Both sodium and potassium are so-called electrolytes which play a role in maintaining the water balance of the body, BUT sodium is usually the electrolyte that people who suffer from high blood pressure, water retention, kidney problems, etc, are advised to cut down on. Table salt is sodium chloride. Other sources of sodium in the diet are monosodium glutamate and many processed foods. Certain medications may also contain sodium, so check the labels for sodium or mention of table salt. Potassium on the other hand is usually highly beneficial unless you have kidney failure or suffer from hyperkalaemia. Potassium is found in most foods and it is often used in salt substitutes which are used to replace table salt to reduce sodium intake.
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