A Senate bill introduced in late July would require a single standard nutrition label on the front of food packages and, for the first time in federal law, define what counts as an ultraprocessed food. The Changes the Bill Would RequireThe central provision directs the Secretary of Health and Human Services to establish a single, standard front-of-package nutrition labeling system for all food products required to bear nutrition labeling, according to the sponsors. Research linking ultraprocessed food intake to poorer health outcomes is largely observational, meaning it documents associations rather than establishing that processing itself causes harm. Major food labeling provisions of federal food law have not been updated since then, and some date to 1938. Research suggests interpretive front-of-package labels shift purchasing at the margin and prompt some reformulation.