Watercress and kidneys?
The information on watercress and related kidney problems usually refers to fresh, raw watercress Aside from this, there are 21 g (less than 1 oz) of the 8 herb blend that go into the making of 32 ozs of the concentrated liquid, which must be diluted further still before taking. Of this 21 g, watercress is a very minor ingredient. The four main herbs: burdock, sheep sorrel, slippery elm, and turkish rhubarb make up the bulk of the 21 g of dried herbs.