This essay argues that the costs of consuming unhealthy food exceeds any of the potential benefits. It focuses on aspect of unethical behaviour in food marketing, in particular the harmful impacts of advertising unhealthy foods to children. Ethics govern oneself about what should be the right and wrong ways to conduct and it has considerable significance in the conduct of business. Kantianism and utilitarianism are ethical frameworks, which determine whether an act is right or wrong in different ways.