Is Red Dye No. 3 in M&M's?
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4 min read
In January 2025, the U.S. Food and Drug Administration (FDA) officially banned Red Dye No. 3 from use in foods and ingested drugs due to its link to cancer in lab animals. This regulatory action brings renewed attention to the history of artificial red dyes in popular candies like M&M's, prompting many to ask: is red dye no. 3 in M&M's?