Following the ban of red dye No. 3 in the United States, experts weigh in on the potential health risks of red dye No. 40, yellow dye No. 5 and others.

Red Dye No. 3, also known as erythrosine, is a synthetic food dye that gives foods and drinks a bright red color. It is also sometimes used in oral medicines and dietary supplements. It first was approved for use in food in 1907. It's made from petroleum.

FDA’s ban on Red 3 is a shot across the bow to the food sector that could ironically help facilitate Kennedy’s pursuit of further changes.