I noticed over a year ago, when I was having extreme kidney pain and also ended up in the hospital, that after trying multi kidney cleanses and tonics, the only thing that would keep my kidney pain away was to TOTALLY cut out ALL sugar from my diet. Not easy, but very effective. And this was before I even knew there was mercury in my fillings. Cutting out sugar has also lessened my many other problems too. But if I cheat.....exacerbation of kidney pain, joint pain, etc......