The stuff on this list makes rat hair in peanut butter seem appetizing.
By Leah Zerbe
8 of 17
Beaver Anal Gland Juice
What it is: It's a bitter, smelly, orange-brown substance known as castoreum, explains Bradley. "In nature, it's combined with the beaver's urine and used to mark its territory."
Where it is: It's used extensively in processed food and beverages, typically as vanilla or raspberry flavoring.
Why it's bad: This gross ingredient won't show up on the label. Instead, companies using it in making processed food list it as "natural flavoring." This poses a dilemma for vegans and vegetarians—and anyone who wants to avoid eating any creature's anal excretions.
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