No, Dr. has not restricted water or liquids, she just said to take the salt/ potassium tabs and there is a bit of magnesium in the tab also. So this is basically like I have been doing, with the sports drinks, just minus the artificial sweetener. I am happy to be without it too. This is starting to be a better experience. I still do take the sports drinks with me when I go out, though. I maybe drank a quarter of a 32 fl. oz. bottle today. I used to drink 2 or more of those a day!