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?

Red 3—also called FD&C Red No. 3, erythrosine or E127—has been widely used in food, cosmetics and pharmaceuticals since its FDA approval in 1969. You've likely encountered Red 3 before. It's a common ...

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.