Final answer:
The Food and Drug Administration (FDA) is the government agency in the United States responsible for regulating food labeling, ensuring the safety, purity, and truthful presentation of food and other consumer products.
Step-by-step explanation:
The government agency responsible for regulating food labeling in the United States is the Food and Drug Administration (FDA). The FDA is a federal agency of the United States Department of Health and Human Services tasked with protecting public health by ensuring the safety and efficacy of food, pharmaceutical drugs, vaccines, medical devices, and more. The FDA's authority comes from the Federal Food, Drug, and Cosmetic Act and other related legislation which gives it the power to oversee the quality of substances sold as food in the U.S. and to monitor claims made on food labeling regarding composition and health benefits.
In addition to regulating pharmaceuticals and medical devices, the FDA also plays a significant role in the regulation of food safety and traceability, ensuring that food products can be traced back to their origin which is critical in identifying sources of foodborne disease outbreaks. Moreover, the FDA operates in conjunction with other federal, state, and local government agencies to provide regulatory inspections and enforcement actions, ensuring the protection of consumer health and safety.