Jarro-Zymes Plus contains porcine pancreatic enzymes because their composition is similar to that of human pancreatic enzymes and are superior to vegetable enzymes. Alpha galactosidase is produced by single cell fermentation and facilitates digestion of legumes.

Porcine pancreas contains a complex of natural enzymes, including Protease, Amylase, Lipase, Trypsin, Chymotrypsin, Esterase, Peptidase, Nuclease, Elastase, Collagenase.