Maintaining kidney health requires a holistic approach that includes a balanced diet, regular exercise, staying hydrated, and the use of natural supplements. The best kidney health supplements offer a natural way to support kidney function, protect against damage, and promote overall well-being. Vitamin D, omega-3 fatty acids, NAC, curcumin, cranberry extract, astragalus root, magnesium, and green tea extract are all excellent options to consider adding to your supplement routine.