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The 10 Worst Ingredients Hidden in Fast Food

Eat This, Not That! Logo By Amy Capetta of Eat This, Not That! | Slide 2 of 11: McDonald's World Famous Fries are made with natural beef flavor that "contains hydrolyzed wheat and hydrolyzed milk as starting ingredients," according to the restaurant's website. Back in 2002, CBS News reported that McDonald's Corporation settled a group of lawsuits for labeling their fries and hash browns as vegetarian although they were enhanced with beef from the vegetable oil.The FDA outlines that any food labeled with the term "natural flavoring" means "the essential oil, oleoresin, essence or extractive, protein hydrolysate, distillate, or any product of roasting, heating or enzymolysis, which contains the flavoring" should come from a variety of food products. So, what exactly is in the beef flavor if beef is not indicated on the ingredient list?RELATED: Make better eating choices every day by signing up for our newsletter!

1. Natural Beef Flavor

McDonald's World Famous Fries are made with natural beef flavor that "contains hydrolyzed wheat and hydrolyzed milk as starting ingredients," according to the restaurant's website. Back in 2002, CBS News reported that McDonald's Corporation settled a group of lawsuits for labeling their fries and hash browns as vegetarian although they were enhanced with beef from the vegetable oil.

The FDA outlines that any food labeled with the term "natural flavoring" means "the essential oil, oleoresin, essence or extractive, protein hydrolysate, distillate, or any product of roasting, heating or enzymolysis, which contains the flavoring" should come from a variety of food products. So, what exactly is in the beef flavor if beef is not indicated on the ingredient list?

RELATED: Make better eating choices every day by signing up for our newsletter!

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