Soda Plus Magnesium is a feed supplement with soda that helps to digest "difficult" cereal feeds. It works in the stomach of the horse, relieving the stomach-burn, aiding in the absorption of nutrients from the intestinal wall and activating enzymes necessary for the metabolism of carbohydrates and amino acids leading to protein formation. The magnesium that it contains, reduces the pains of indigestion and contributes to the animal's general calmness.