I have been using this product for a few years now. This past year, hubby and I were both using it. I mix the prill water with spring water every morning in a pitcher so we drink it up. Before I started using it, our ND say I was not getting enough water to the cellular level. My husband saw the ND in February and now we both have the good report saying we are finally are getting enough water into our cells. We found out that no matter how much water we drank before, after prills water, we finally have water at the cellular level. Thank you for offering such a wonderful product.