Moonstone Nutrition’s Kidney Drink is the result of our passion to create an easy way for people to improve healthy kidney function on a daily basis. Moonstone contains 30 mEq of alkali citrate. Studies have shown that alkali citrate from naturally occurring mineral salts may prevent the formation of kidney stones. The kidneys naturally detoxify the body, regulate blood pressure, and fulfill other vital needs. Moonstone provides a great tasting, convenient way to support healthy kidneys on a daily basis.