I drink the Lipton Green Tea Citrus flavor diet. Be careful, it's addictive. but, I figure the green tea, however miniscule the amount is, is good for me. the only tiny difference is that your body has to separate the water from whatever ingredients are in the water. No big deal.
"There is no use trying,"said Alice; "One can't believe impossible things." "I dare say you haven't had much practice," said the Queen. "When I was your age, I always did it for half an hour a day. Why, sometimes I've believed as many as six impossible things before breakfast."