Synthetic dyes—which impart a distinctly unnatural hue on a variety of candies, snacks, and drinks—have recently come under renewed scrutiny. Earlier this year, the Food and Drug Administration ...
Red Dye No. 3, or erythrosine, is a synthetic red food dye once popular in candies and cakes. The FDA bans Red Dye No. 3 under the Delaney Clause, citing cancer risks observed in lab animals, although ...