The kidneys in our body aid filtration of body fluids and excretion of toxic waste.Flush out all those icky toxins from your kidneys and urinary tract to boost energy levels.Cranberry juice has been touted for years as support for the urinary tract. Beet Juice. Beets and beet juice contain betaine, a very beneficial phytochemical.Parsley is a potent, natural diuretic herb that can cleanse the kidneys. Dandelion Root. Marshmallow. Ginger. Turmeric.Chanca piedra, supporting the kidneys and clinical trials have confirmed the plant’s effectiveness. Goldenrod. Hydrangea Root. Horsetail. Celery Root.