Given that the FDA has banned Red Dye 3 due its link to cancer in rats, this leaves a lingering question: What about Red Dye 40? Is Red Dye 3 really worse?

After the recent ban on Red Dye 3, food manufacturers are turning to FDA-approved dyes like Red Dye 40. But is Red 40 safe? Here's what food safety experts say.

Red dye 40 is one of the most popular food dyes used in the U.S. today, according to Kelly Johnson-Arbor, MD, a toxicologist at MedStar Health. Is red dye 40 bad for you?

In case you missed it, Red Dye No. 3 was banned in the United States on January 15, 2025, by the U.S. Food and Drug Administration. Food dyes like Red No. 3, also known by its chemical name ...

Learn what Red Dye 40 is used for, what foods contain it, and whether or not research supports its link to behavioral issues in children or cancer.

I am not one to say to completely neglect your health. You can make informed decisions about what you put into and on your body by educating yourself on what is healthy and what is not. However, there ...

Studies commissioned by the United Kingdom's Food Standards Agency have linked Red Dye No. 40 to hyperactivity in children.

After the FDA banned red dye 3 from foods, many are wondering about the future of red dye 40. Here are the differences—and which products they're in.