Chronic Kidney Disease: Stages, Treatments & Nutrition Hacks Life Extension 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 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