- The ingredients in Kidney Korrect™ have been shown to support healthy kidney function. Champignon is an extract of the Agaricus bisporus mushroom, also known as the white or button mushroom. It has been shown to help the body maintain a healthy ratio of creatinine in the blood versus the urine. Red ginseng, a specially processed form of Panax ginseng, also supports healthy kidney function and displays kidney-protective and antioxidative properties. Astragalus provides support for healthy fasting glucose levels, along with healthy albumin levels in the urine.