Red No. 3 and Red No. 40 may look similar, but these food coloring dyes are actually distinct. Here are the main differences ...

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?

Red 3 is banned, Red 40 is still allowed—here’s how the two food dyes differ and what they could mean for your health. To stream WBIR on your phone, you need the WBIR app.

The FDA's decision to ban Red 3 does not apply to Red 40, which will remain available for use in food products in the U.S. Some studies have also shown Red 40 is a carcinogen in animals.

No, red dye 3 and red dye 40 are not the same. Red dye 40, made of a chemical compound called Allura red AC, is already banned in California, and is among the dyes that the FDA plans to eliminate ...

It is not clear what ingredient will replace red dye No. 40 at In-N-Out. Many In-N-Out enthusiasts wrote on social media that they’d stick with brand through the recipe changes.