Enzyme Action. Sugar Free. KAL-N-ZYME® is an Enzyme Action Gum supplying Lipase Amylase and Papain in a Xylitol base. Frequent between-meal consumption of foods high in sugars and starches can promote tooth decay this product is formulated with Xylitol which does not promote tooth decay and the great Spearmint flavor will leave breath refreshed. The perfect end to any meal!