Dietary Supplement. Improves Immune Response. Powerful Proteolytic. Supports Wellness. #1 Selling Enzyme Brand. Therapeutic. Absolutely No Fillers Added. Vegetarian & Vegan: Plant Based Enzymes Virastop 2x contains eight different proteolytic enzymes , at twice the potency of original Virastop for critical support during times of immune distress. This combination supports healthy immune function by breaking down cellular debris, undigested protein and toxins in the blood.* Our exclusive Thera-blend™ enzymes are effective throughout the entire digesti.