In the case of Federal Security Administrator v. Quaker Oats Co., 1942, the U.S Supreme Court ruled in favor of the Federal Security Administration (FSA). The FSA had ordered Quaker Oats to stop labeling their product as a treatment for diseases due to lack of scientific evidence supporting such claims. Quaker Oats argued that this order was an overreach by the FSA and violated their rights under the Fifth Amendment's Due Process Clause. However, Justice Frankfurter writing for majority held that Congress has broad powers to regulate food and drug labels under its Commerce Clause authority, and it can delegate some of those powers to agencies like FSA. He further stated that if there is any doubt about a product’s health benefits or risks, then it should be resolved in favor of public safety rather than commercial interests.

The dissenting opinion in the Federal Security Administrator v. Quaker Oats Co., 1942 case, argued that the majority's decision to uphold a regulation banning health claims on food labels was an overreach of government power. The dissenters believed that the Food and Drug Administration (FDA) had exceeded its authority by interpreting the law to prohibit all health claims, regardless of their truthfulness or scientific support. They contended that this interpretation violated free speech rights and could potentially harm public health by preventing consumers from receiving valuable information about nutritional benefits of certain foods. Furthermore, they disagreed with the majority's view that such restrictions were necessary to prevent deception or confusion among consumers, arguing instead for more nuanced regulations allowing truthful and non-misleading health claims.