no so much,
not dissolve, it is changed in your body to coat and smooth out the stones, vs rough edges (as I mentioned previously) making them easy to pass,,
and kidney,, the liver is for filtering beer
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the truth is , re the calcium in OJ and whatever else, is it is a marketing campaign to get more sales, thinking folks will think it is healthier than it already is,
not really sure how much calcium is absorbed thru OJ,, but I am not a doc, (but I have stayed in a Holiday Inn, just not last night)