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 Dye No. 40, a synthetic food dye ... Yuriko Nakao/Getty Images, FILE On Jan. 15, the FDA announced it is amending its color additive regulations to no longer allow the use of Red No. 3 in ...

Red Dye No. 40, a synthetic food dye that's used to achieve a bright crimson color in condiments and candy alike, has been a hot topic among policy makers and food safety advocates in the U.S ...