It’s time to revamp the FDA’s “generally recognized as safe,” or GRAS, program that allows companies to add untested ingredients to food, the Health and Human Services secretary says. That may be difficult to do.

The practice Kennedy is targeting, known as “generally recognized as safe” (GRAS), can occur when companies self-certify the safety of a food additive.

The Health and Human Services secretary is pushing to change a program that allows companies to add untested ingredients to food.