AllerFree, Enzymatic Allergy Control, 60 Vegetarian Capsules, Pure Essence LabsPure Essence AllerFree Dietary Supplement. Enzymes for Allergies. Allergic reactions occur when the immune system attacks foreign proteins in the blood. AllerFree's enzymes may help reduce the frequency and intensity of allergic reactions by helping digest these proteins. Supplement Facts Serving Size: 2 Capsule Servings Per Container: 30 Ingredient Amount Per Serving %DV Vegetarian Amylase 60,000 DU Vegetarian Protease 60,000 HUT Vegetarian Cellulase