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.
After the Red No. 3 ban, there are now eight color additives approved by the FDA. They are FD&C Blue No. 1, FD&C Blue No. 2, FD&C Green No. 3, Orange B, Citrus Red No. 2, FD&C Red No. 40, FD&C Yellow ...
Over 35 years after the first study linking Red 3 to thyroid cancer in rats was published, the US is beginning to wean it out of foods and drugs.