Mr. Kennedy told executives of major food companies that he wants synthetic colors removed from their products. “Decision time is imminent,” a trade group warned its members.

Kennedy Jr. told food companies including PepsiCo and Kraft Heinz in a meeting on Monday that the Trump administration wants artificial dyes out of the food supply before Kennedy leaves office, according to an email seen by Reuters.

Robert F. Kennedy Jr. told food industry leaders in a closed-door meeting he wants them to remove artificial color dyes from their products by the end his time in office.