Excerpt from daily reference values and reference daily intakes listed by the FDA (USA) and Gerolsteiner regular analysis.
Daily requirement of an adult:
|Calcium (Ca2+)||1300 mg*|
|Magnesium (Mg2+)||420 mg*|
|Potassium (K+)||4.700 mg*|
|Sodium (Na+)||2.300 mg*|
|Chloride (Cl-)||2.300 mg*|
* U.S. Food and Drug Administration Regulations at 21 C.F.R 101.9 - Reference Daily Intakes and Daily Recommended Values; percentages are based on mineral content per liter.
For the calculation of the recommended daily mineral amount you can choose between EU (European Union) and DGE (German Society for Nutrition) recommendations and the recommendations stipulated by the United States Food and Drug Administration (FDA).