Welch's fruit snacks, the lunchbox staple, have made a change that you might not notice. All of the flavors in the brand's mixed fruit variety snacks now use natural dyes. Colors from sources like red grape, the blue green algae spirulina, and purple carrot instead of red 40 and blue one.The snacks don't look too different, but the box now highlights the natural colors. Secretary of Health and Human Services Robert F. Kennedy Jr.. has made cutting synthetic dyes a high priority, calling for companies to rem ...