How Baking Soda Helps Kidneys: When it comes to sodium bicarbonate as a supplement for helping kidney disease, it can be very helpful. In patients with chronic kidney disease, the kidneys can’t remove enough acid, which can lead to metabolic acidosis. By being a base, ingesting sodium bicarbonate can help your insides be less acidic. Talk to your doctor about whether sodium bicarbonate can be a good option to keep your PH levels in check when dealing with chronic kidney disease. #kidneydiseaseaw