Gerolsteiner Sparkling and Gerolsteiner Medium are by nature rich in minerals like calcium and magnesium:
They each contain 108 mg/l of Magnesium and can thus supply the body with this valuable mineral on a daily basis. A liter of Gerolsteiner Sparkling or Gerolsteiner Medium covers a quarter of the daily magnesium requirement.
More about Magnesium can be found here.
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