10. Titanium Dioxide

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You’re thinking the same thing we are, aren’t you? This is something that sounds like it would make a better ingredient for rocket fuel than it would for food. And yes, the nasty-sounding name is well-deserved indeed. It’s commonly used to make things like sunscreens and paint, but big processed food manufacturers use it to make some foods look whiter. Titanium is a substance that’s mined from the earth and is sometimes contaminated with lead. Something you definitely don’t want to be ingesting!