Peptizyme is a proteolytic enzymes. Proteolytic enzymes, or proteases, refers to enzymes that break down protein. Peptizyme is derived from the bacteria that resides in the intestines of the silkworm. Peptizyme has been used in Europe and Japan for over 25 years. It has demonstrated effectiveness for inflammation, and ear, nose, and throat disorders. Peptizyme aids digestion, arthritis, and boosts the immune system. Peptizyme is being studied along with pancreatin, papain, and bromelain for anti-cancer abilities.