Here are Taco Bell’s ingredients for Seasoned Ground Beef, according to Tacobell.com:
Beef, Water, Seasoning [Isolated Oat Product, Salt, Chili Pepper, Onion Powder, Tomato Powder, Oats (Wheat), Soy Lecithin, Sugar, Spices, Maltodextrin, Soybean Oil (Anti-dusting Agent), Garlic Powder, Autolyzed Yeast Extract, Citric Acid, Caramel Color, Cocoa Powder (Processed With Alkali), Silicon Dioxide, Natural Flavors, Yeast, Modified Corn Starch, Natural Smoke Flavor], Salt, Sodium Phosphates. CONTAINS SOYBEAN, WHEAT
Upon reading that list above, one can easily conclude that the fillers are actually far healthier than the beef itself.