You are employed in a regulatory authority concerned with the legality of claims made for the health- promoting properties of foods and beverages.
Two bottled spring waters have been drawn to your attention.
The first a domestic water is marketed through health clubs sports centres etc.
And claims that the mineral balance is such that the water is rapidly adsorbed by those parts of the body most affected by dehydration… water alone is proven to be many times more effective than isotonic sports drinks.
The analysis of the major minerals is (mg/1) : bicarbonates 220 calcium 74 chloride 50 magnesium 24 sodium 18sulphate 22.