Learn about the different types of digestive enzymes that break down food molecules in the mouth, stomach, and small intestine. Find out how they are produced, activated, and regulated by various glands and hormones. Learn what digestive enzymes are, how they help break down food and absorb nutrients, and who needs them. Find out about natural sources of enzymes , replacement medications, and potential side effects. Digestive enzymes convert the food into smaller molecules that your tissues, cells, and organs utilize for many metabolic functions. It takes some time to complete this process and results in amino acids, glycerol, fatty acids and simple sugars. Digestive enzymes are naturally produced by your body to break down and digest food. They help absorb nutrients and keep your gut healthy.