The FDA's move stops short of the outright ban that had been floated for in Kennedy's "Make America Healthy Again" platform from the campaign trail. Instead, it relies on what the Department of Health and Human Services said was a "national standard and timeline for the industry" to voluntarily make the switch.

Health Secretary Robert F. Kennedy Jr. and FDA Commissioner Marty Makary said on Tuesday that the agency plans to remove petroleum-based synthetic food dyes from the U.S. food supply by revoking authorizations of some and working with industry to voluntarily remove others.