A glass of cranberry juice is one of the best tonics I know; It can be used to clear up kidney and bladder infections and helps to regulate the bowels. It cleans the blood and helps the body to get rid of accumulated toxins. This helps to clear the complexion. Very high in potassium, which is needed by the body to dispose of waste materials and help keep the heart healthy. Cranberry juice is a good habit to get into. Drink in the morning with your breakfast.