Do McDonald's hamburgers contain ground beef?

McDonald's Uses Worm Meat Fillers But Can Legally Call It 100% Beef. Large companies have been the subject of rumors that they substitute unusual or unethical substances in their products, usually to decrease costs. McDonald's is not immune to such claims. read more

Hamburger. A 100% pure beef burger patty topped with a tangy pickle, chopped onions, ketchup and mustard. Our simple, satisfying hamburgers are made with absolutely no fillers, additives or preservatives, and seasoned with just a pinch of salt and pepper. read more

Rumor: McDonald's buys their meat from a company called '100% Beef,' which allows them to legally but deceptively claim they use 100% beef in their hamburgers. Rumor holds that McDonald's buys their meat from a company called '100% Beef,' which allows them to legally but deceptively claim they use 100% beef in their hamburgers. read more