Is Red Dye 40 Vegan? Unveiling the Truth About Red Food Coloring
                                
                                
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                                    3 min read                                
                            
                                Red Dye 40 is the most widely used food dye in the U.S., showing up in many foods and drinks. Although this dye comes from petroleum, the question of whether red dye 40 is vegan is more complex than it seems.