The powdered drink mix contains aspartame. The ready to drink one, which comes in a plastic bottle contains splenda. I would not drink either one of these.

Blueduck

//www.curezone.org/cleanse/kidney/default.asp

My urologist wants me to drink crystal light lemonade to increase my citrate levels in order to stop the production of kidney stones. I don't know if it will dissolve already formed stones.