<p>Trypsin is an enzyme. An enzyme is a protein that speeds up a certain biochemical reaction. Trypsin is found in the small intestine. It can also be made from fungus, plants, and bacteria. But it is usually made for commercial purposes from the pancreas of livestock. Trypsin is given to people who lack enzymes needed for digestion. It is also given in combination with bromelain and rutin for treatment of osteoarthritis.<br />
<br />
Bromelain&nbsp;is a&nbsp;protein&nbsp;extract derived from the stems of pineapples, although it exists in all parts of the fresh plant and fruit. The extract has a history of&nbsp;folk medicine&nbsp;use. As a culinary ingredient, it may be used as a&nbsp;meat tenderizer. The term &quot;bromelain&quot; may refer to either of two protease enzymes extracted from the plants of the family Bromeliaceae, or it may refer to a combination of those enzymes along with other compounds produced in an extract.</p>