As a subject matter expert in the field of confectionery, I can tell you that the red M&M's, like all M&M's, are made of a combination of ingredients that include sugar, cocoa, and a variety of other components to create their distinctive taste and texture. The red color of the M&M's is achieved through the use of a food dye known as Allura Red AC, which is a synthetic color additive. It's important to note that the composition of M&M's can vary slightly by region due to different regulations and ingredient sourcing.

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In 1976, Mars, the candy company that makes M&M's, eliminated the red version of the candies from their mix. This decision came as a result of public controversy surrounding a synthetic dye called FD&C Red No. 2, also known as amaranth.read more >>