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

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 ...

for example—many companies have turned to red dye No.40 to get a rosy hue in foods. But is red dye 40 plagued by the same issues that red dye 3 is? Here’s what toxicologists want you to know.

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?

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 ...