Red 40 is making headlines again as lawmakers debate whether food dyes should be banned in the US. Here's what health experts say about its safety.

The U.S. Food and Drug Administration banned Red No. 3 last dye, leading those to think Red Dye No. 40 could be next. How are these dyes different?

While the artificial food dyes Red Dye No. 3 and Red Dye No. 40 (commonly known as Red 40) are both derived from petroleum — as most artificial colors are — Red Dye No. 40 has already become a ...

And some think another popular dye is next on the chopping block — Red Dye No. 40 or Red 40. Is Red 40 any different from Red Dye No. 3? Here's what to know before calling it quits on any ...

Red No. 3 and Red No. 4 are two food dyes commonly found in a range of products, from candy to sports drinks. Here's what ...

Red Dye No. 40, a synthetic food dye that's used to achieve a bright crimson color in condiments and candy alike, has been a hot topic among policy makers and food safety advocates in the U.S ...