What it is: Brace yourself—this food flavoring is extracted from the castor sac scent glands of the male or female beaver, which are located near the anus. According to Milkowski, the substance is pretty expensive (think about what it probably takes to obtain it) and is more common in perfume than in actual foods.
Where you’ll find it: While it sounds downright disgusting, the FDA says it’s GRAS, meaning it’s “generally recognized as safe.” You won’t see this one on the food label because it’s generally listed as “natural flavoring.” It’s natural all right—naturally icky.
Read the whole article here.
Want something else that’s nasty to eat? Try some Candy.