Is SPICY ITALIAN SAUSAGE & PEPPERS PIZZA vegan?

crust (enriched wheat flour [wheat flour, niacin, iron, amylase, ascorbic acid, thiamine mononitrate, riboflavin, folic acid], water, yeast, extra virgin olive oil, sugar, salt, canola oil), pizzaiolo sauce (tomatoes, extra virgin olive oil and sunflower oil, salt, oregano, black pepper, granulated garlic, citric acid), four cheese blend (part skim mozzarella cheese [pasteurized milk, cheese cultures, salt, enzymes], provolone cheese [pasteurized milk, cheese cultures, salt, enzymes], asiago cheese [pasteurized milk, cheese cultures, salt, enzymes], romano cheese [pasteurized sheep's milk, cheese cultures, salt, enzymes], potato starch, canola oil, cellulose powder, natamycin (natural mold inhibitor]), italian sausage (pork, water, salt, spices, corn syrup solids, caramel color, sodium phosphates, autolyzed yeast, flavoring. bha, bht, citric acid], banana peppers (with water, vinegar, salt, malic and lactic acid, calcium chloride, sodium benzoate and sodium metabisulfite [preservatives], yellow 5), parmesan cheese (pasteurized cow's milk, cheese culture, salt, enzymes), seasoning (marjoram, thyme, rosemary, savory, sage, oregano, basil.), red pepper flakes.

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