When the FDA announced a ban of food dye Red No. 3 this week, the agency pointed to a law that says a food additive may not be authorized if it's been found to cause cancer. And research shows that red No. 3 can cause cancer in laboratory rats when they are exposed to high levels.
Food companies still have a couple of years to eliminate petroleum-based red No. 3 from their products. And there are other synthetic food dyes — in all sorts of different colors — that remain on the market.
Some evidence shows these synthetic dyes can negatively affect children's behavior and mental health.
So, how should parents navigate this food supply? Here are some things to consider.