Red 3
History of causing thyroid tumors in animals.

D&C Red 33
Cancer in humans, genetic damage to animals.

Red 40
Carcinogenic and mutagenic in animals.

Asorubine, Carmoisine
Red color, coal tar derivative. Possible allergic reactions in asthmatics. Used for confectionary products. Banned in several countries, but not U.S.

Blue 1
Also known as Brilliant Blue and FCF. Suggestions of a small cancer risk. Used in dairy products, sweets and drinks, this is banned in several countries … but not the U.S.

Blue 2
This color is also known as Indigotine, Indigo and Carmine. Study shows brain tumors in mice. May cause nausea, skin rashes, allergic reactions. Banned in Norway, but not the U.S.

Citrus Red 2
Used on some Florida oranges, studies show this additive causes cancer.

Green 3
Possibly carcinogenic.

Green S
Used in canned peas, mint jelly and cake mixes. Banned in Norway and Sweden, but not the U.S.

FD&C Yellow 5
Also known as Tartrazine. Cancer, allergen, breathing difficulties and asthma attacks. Found in packaged soup, sweets, jams and cereals. Banned in several countries, but not U.S.

FD&C Yellow 6
Also known as Sunset Yellow, FCF, Orange Yellow S. Suspected of causing tumors in adrenal glands and kidneys. May cause allergies, hyperactivity, and chromosomal damage. Banned in Norway but not the U.S.

Annatto
Also known as Arnatto, Bixin and Norbixin. Skin, gastrointestinal, airway and central nervous system reactions reported.