Back in 1976, Red Dye #2 was banned from the use of food after being discovered to be carcinogenic. This was the key food color used to in M&M’s colorful snacks. But, when the dye was reintroduced into food products in 1983, M&M jumped right back into its use, much to the dismay of their consumers.

Artificial Colors

Apart from Red Dye #2, M&M’s contain:

Blue Dye #1: linked to malignant tumor growth in rat studies as well as low blood pressure problems, hives, asthma, and allergic reactions

Blue Dye #2: linked to tumor growth, abnormal cell development, and hyperactivity in children

Red Dye #40: linked to cancer, DNA damage, swelling around the mouth, hives, and hyperactivity

Yellow Dye #5: a common food allergy, as well as potential links to cancer and behavioral problems

Yellow Dye #6: linked to diarrhea, vomiting, migraines, allergic reactions, hyperactivity and cancer

Read more at theheartysoul.com/

30 Reasons to Never Put Another M&M in Your Mouth Ever Again