For decades, the U.S. Food and Drug Administration's GRAS rule has allowed untested additives into the food supply. Can RFK Jr. fix it?

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.

U.S. secretary of health and human services, Robert F. Kennedy Jr., has directed the U.S. Food and Drug Administration (FDA) to revise its Substances Generally Recognized as Safe (GRAS) Final Rule in an effort to increase oversight of specific food ingredients and heighten food transparency.