Digestive Enzymes are important in the breakdown of carbohydrates, proteins and fats to help the body digest and utilize these critical nutrients. In other words digestive enzymes are proteins which are used by the body to break down food into nutrients which are then digested. Supplement with digestive enzymes can make a difference in your digestive health. Heartburn, indigestion, gas, irregularity, constipation, bloating etc. are often a direct result of inadequate enzymes.