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.

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

FD&C Red No. 3 or erythrosine Red dye No. 40: red 40, FD&C Red No. 40 or Allura Red AC Blue dye No. 1: blue 1, FD&C Blue No. 1 or Brilliant Blue FCF Blue dye No. 2: FD&C Blue No. 2 or indigotine Green ...

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 ...

The US Food and Drug Administration has revoked its authorization of Red No. 3 in food, drinks and ingested drugs across the ...

Despite banning Red No. 3, other artificial dyes like Red No. 40 are still permitted ... laboratory male rats exposed to high levels of FD&C Red No. 3 developed cancer. However, the cancer ...

Is Red 40 any different from Red Dye No. 3 ... claims that the use of FD&C Red No. 3 in food and in ingested drugs puts people at risk are not supported by the available scientific information ...

said there's no legal path forward in banning these substances, such as Red 40 that hasn't been reevaluated in decades, without proper funding for scientific evidence. FD&C Red No. 3, also known ...