For CKD, Id separate the proven support from the experimental but interesting category., Astragalus root extract is probably the most tried and true natural compound Id look at first. Theres Glutathione Peroxidase Activity and Its Inverse Relationship with Urinary Albumin Excretion in Chronic Kidney Disease Patients Journal of Cellular Biochemistry Wiley Online Library Vitamin E,glutathione And Groundnut Good For Kidney Disease? Erythrocyte transglutaminase 2 combats hypoxia and chronic kidney disease by promoting oxygen delivery and carnitine homeostasis: Cell Metabolism Chronic Kidney Disease: Stages, Treatments & Nutrition Hacks Life Extension