What allergens are present in McPepper? September 26, 2022 08:50 Updated Allergen: Soybean, Shellfish, WheatFood Sensitivities: Gluten Related articles What allergens are present in the Seaweed McShaker Fries? What is the McPepper? Can I add extra (or remove) topping to (or from) my McPepper? What allergens are present in Pulut Hitam Pie? What do the Hershey’s desserts contain?