McDonald's Removes Artificial Ingredients From Most Burgers McDonald's announced Wednesday that it has removed artificial colors, flavors and preservatives from its top-selling burgers. The 7 burgers include the hamburger, cheeseburger, double cheeseburger, McDouble, The pickles, which have artificial preservatives, are the exception. Some other menu items will continue to have <br />artificial ingredients. The ingredient changes affect close to two-thirds of McDonald’s national burgers and all 14,000 U.S. restaurants. McDonald's has also switched to 100% fresh, <br />not frozen, beef in Quarter Pounders, McDonald’s U.S. President Chris Kempczinski, via 'USA Today'