MCCHICKEN PATTY, REGULAR BUN-Ingredients: Enriched Flour (Bleached Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, High FructoseCorn Syrup and/or Sugar, Yeast, Soybean Oil and/or Canola Oil, Contains 2% or Less: Salt, Wheat Gluten, Calcium Sulfate, Calcium Carbonate, Ammonium Sulfate,Ammonium Chloride, Dough Conditioners (May Contain One or More of: Sodium Stearoyl Lactylate, DATEM, Ascorbic Acid, Azodicarbonamide, Mono andDiglycerides, Ethoxylated Monoglycerides, Monocalcium Phosphate, Enzymes, Guar Gum, Calcium Peroxide), Sorbic Acid (Preservative), Calcium Propionate and/orSodium Propionate (Preservatives), Soy Lecithin.CONTAINS: WHEAT, SOY LECITHIN., SHREDDED LETTUCE, SPICY BUFFALO SAUCE-Ingredients: Cayenne Pepper Sauce (Cayenne Red Peppers, Vinegar, Salt, Garlic), Water, Soybean Oil, Modified Food Starch, Xanthan Gum, Beet Juice (Color),Natural Flavor (Plant and Dairy Source), Garlic, Citric Acid, Calcium Disodium EDTA (Protect Flavor), Citric Acid.CONTAINS: MILK., BUTTERMILK RANCH SAUCE-Ingredients: Soybean Oil, Cultured Buttermilk, Water, Sour Cream (Milk, Cultured Cream, Modified Food Starch, Guar Gum, Sodium Phosphates, Carob Bean Gum,Sodium Citrate, Calcium Sulfate, Carrageenan, Dextrose, Potassium Sorbate, Citric Acid, Gelatin, Mono- and Diglycerides), Egg Yolks, Contains 2% or Less: DistilledVinegar, Maltodextrin, Salt, Dextrose, Modified Food Starch, Soy Sauce (Soybeans, Wheat, Salt), Dried Onion, Garlic Powder, Lactic Acid, Natural (Plant and DairySources) and Artificial Flavors, Shallots, Preservatives (Sodium Benzoate, Potassium Sorbate, Calcium Disodium EDTA), Xanthan Gum, Spice, Phosphoric Acid,Sodium Acid Sulfate, Propylene Glycol Alginate, Autolyzed Yeast Extract.CONTAINS: MILK, EGG-Ingredients: USDA Grade A Eggs.CONTAINS: EGG.Prepared with Liquid Margarine: Liquid Soybean Oil and Hydrogenated Cottonseed and Soybean Oils, Water, Partially Hydrogenated Soybean Oil, Salt, Soy Lecithin,Mono and Diglycerides, Sodium Benzoate and Potassium Sorbate (Preservatives), Artificial Flavor, Citric Acid, Vitamin A Palmitate, Beta Carotene (Color).CONTAINS: SOY LECITHIN., SOY, WHEAT. Source : http://nutrition.mcdonalds.com/getnutrition/ingredientslist.pdf