Question: Is it OK to drink a pint of Gerolsteiner mineral water a day?
It’s significantly less than a bottle. I guess conceivably if you're also drinking a lot of milk, or eating a lot of cheese, or supplementing with calcium, or taking bone meal powder, I guess you can get too much calcium. I wouldn’t really worry about it from 1 pint. I do think that the main concern with carbonated beverages of any type is that you have too much acid running over your teeth a lot. So, I think it's wise to drink this in a way that tends to bypass your teeth. You can do it more effectively if you use a straw, but I think you can manipulate the bottle in your mouth to kind of pour it beyond your teeth, which I think is a good thing to do. Probably the best thing that you can do for that is before you brush your teeth, make sure that you swish with water or baking soda.
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DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice.