Potassium, like sodium, is a mineral that is common to many rock formations and thus finds its way into the mineral water.
Since sodium and potassium are closely related chemically they are usually to be found together in nature. The recommended daily amount of potassium is 2000 mg.
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Gesunder grüner Smoothie: tanjichica7 / iStockphoto, Mineralienstein mit Calcium, Magnesium und Hydrogencarbonat: ElementalImaging / iStockphoto