From the Manufacturer's Label:
A concentrated enzyme blend derived form vegetable sources. Contains a source of live/viable naturally occurring microorganisms (probiotics) recommended to help support a healthy digestive tract.
Alpha-Amylase will help hydrolyze starch
Protease will hydrolyze proteins.
Cellulase will break down cellulose
Lisase to hydrolyze triglycerides
Probiotics support healthy digestion