Heavy consumption of salt substitutes high in potassium can present a serious clinical problem when aldosterone release is not normal.

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When aldosterone release is not normal, high consumption of salt substitutes can cause hyperkalemia (high levels of potassium in the blood), which can lead to cardiac arrhythmias and other serious clinical problems. Aldosterone normally helps to regulate potassium levels in the body by increasing excretion of potassium in the urine. When aldosterone levels are low or its action is blocked, such as in certain kidney or adrenal gland disorders, excess potassium can accumulate in the bloodstream. Therefore, people with these conditions should limit their intake of high-potassium foods and salt substitutes, unless under careful medical supervision.

Heavy Consumption of Salt Substitutes High in Potassium Can Present