Thanks Mrs D for that information, i use Tramadol every day an opiate which is on that list, i normally have 2-3 glasses of water when i get out of bed in the morning, [seems to help me wake up] normally 4 coffee's through out the day and 3 - 4 glasses of diet coke, 8 - 10 glasses of tap water spread out pretty evenly during the day & eat lots of vegetables & some fruit.