Enzymes are proteins that catalyze biochemical reactions. Enzymes are responsible for digestion, absorption, transportation, metabolism and excretion. Digestive enzymes are manufactured by the body in pancreas. Protease used in protein digestion, amylase for carbohydrate digestion, and lipase for fat digestion. Raw food has enzymes but is easily destroyed during cooking. Deficiency of enzymes can lead to many body malfunctions.