11 Disgusting Ingredients That Aren't Advertised In Food

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beetle mcdonalds dye the skinimin http://www.flickr.com/photos/theskinimin/3289093024/sizes/l/in/photostream/ and Whats on Tenerife http://www.flickr.com/photos/whatsontenerife/4985646519/

Starbucks' use of crushed beetles in food coloring for its frappuccino products—which it had labeled vegan—is merely the tip of the iceberg.

The cochineal beetle, often used in red food dyes, is one of many disgusting ingredients found in everyday foods.

Food companies might advertise natural flavors, low calories and vitamins A through Z, but they're much less likely to promote their use of fish bladders, sand or human hair.

And you won't believe what beaver anal glands—that's correct—are used for.

Red Dye: Ground Up Beetles

beetle mcdonalds dye the skinimin http://www.flickr.com/photos/theskinimin/3289093024/sizes/l/in/photostream/ and Whats on Tenerife http://www.flickr.com/photos/whatsontenerife/4985646519/

Between yogurt, maraschino cherries, jams, cakes, and tomato products, you've probably consumed at least one pound of red dye in your life. That means that you've also ingested at least 70,000 cochineal beetles, according to a petition on Change.org.

The bug is crushed up to make red dye.

Ice Cream: Beaver Anal Glands

beaver ice cream liangjinjian http://www.flickr.com/photos/liangjinjian/4848222486/ and TheCulinaryGeek http://www.flickr.com/photos/preppybyday/5076899310/

Vanilla and raspberry flavors might be enhanced by "castoreum," a mixture of the anal secretions and urine of beavers. It's also found in perfume.

The FDA-approved product is categorized under "natural flavoring," so you won't know if you're eating it.

After celebrity chef Jamie Oliver went on David Letterman's show and mentioned castoreum's presence in vanilla ice cream—"If you like that stuff, next time you put it in your mouth think of anal gland"—manufacturers adamantly denied the claims.

Beer: Fish Bladders

beer fish guebosch http://www.flickr.com/photos/guebosch/3282900292/ and kyezitri http://www.flickr.com/photos/80943959@N00/5254171570/

Isinglass, or dried fish bladder, gives beer its golden glow. The BBC did a whole segment on the substance, which is primarily used in British beers.

Wendy's Chili: Sand

chili sand Juliancolton2 http://www.flickr.com/photos/juliancolton/4928098090/ and Calgary Reviews http://www.flickr.com/photos/calgaryreviews/5557285633/

One key ingredient to Wendy's chili is an anti-caking agent called silicon dioxide. Street name: sand or glass powder.

Jello: Animal Connective Tissue

jello pig tsuacctnt http://www.flickr.com/photos/cedwardmoran/5236153353/

Gelatin is made from collagen, which is boiled down animal connective tissue. Today, gelatin most likely is made from pigskin.

Gum: Sheep Secretions

sheep gum nic0 http://www.flickr.com/photos/nic/117326250/ and Kristine Konruff http://www.flickr.com/photos/nerdykonruffs/4634917096/

Lanolin—a goopy, oily secretion found in sheep's wool—is an FDA-approved additive used to soften chewing gum. It can also be found in cosmetics, sunscreen, and baby products.

Cheese: Sawdust

sawdust cheese turtlemom4baconhttp://www.flickr.com/photos/turtlemom_nancy/3928775322/ and devillibrarian http://www.flickr.com/photos/68706512@N00/3626889881/

Cellulose, or virgin wood pulp that is more commonly identified as sawdust, is an ingredient found in shredded cheese. It keeps the shreds from clumping up. Cellulose also appears in Kraft Parmesan Cheese.

The Street found 15 other companies that use "wood" in their products.

The USDA, which regulates meat, has decided that meat products that consist of more than 3.5 percent cellulose cannot be recognized as nutritionally sound.

Bread: Duck Feathers and Human Hair

duck bread blmiers2 http://www.flickr.com/photos/blmiers2/6792548131/ and brandon shigeta http://www.flickr.com/photos/brandonshigeta/4659262833/

L-Cysteine is an amino acid often used in dough conditioners, which softens mass-produced breads. It is made from human hair or duck feathers. Although 80 percent of L-cysteine is made of human hair, McDonald's uses the duck feather variety in its Baked Hot Apple Pie and Warm Cinnamon Roll.

Mushrooms: Maggots

Poison mushroom Wikimedia

The FDA says its legally OK to have up to 19 maggots and 74 mites in a 3.5-ounce can of mushrooms.

Potato Chips: Cleaning Agents

cleaning potato chip http://www.flickr.com/photos/jacbach/3206593518/ and http://www.flickr.com/photos/roadsidepictures/1435044275/

Sodium bisulfite is used in most toilet boil cleaning agents. It's also used to extend the shelf-life and bleach out the discoloration of potato chips.

Chocolate: Rat Hairs

rat chocolate Flickr: schoko-riegel and angeladellatorre

We aren't saying that rat hairs are the secret ingredient of your favorite chocolate bars ... but they might make accidental guest appearances. The FDA allows one rat hair per 100 grams in six 100-gram subsamples of chocolate and 60 insect fragments per 100 grams in six 100-gram subsamples.

Doesn't the truth hurt?

honest ad red bull Chelsea Fagan and Matt Stevenson

...speaking of honesty, here's what ads should really say>

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