Public Citizen is a nonprofit organization based in the United States that advocates for consumer rights, public health, and government accountability. Founded in 1971 by Ralph Nader, it aims to promote policies that protect the public interest and challenge corporate power. The organization engages in research, advocacy, and litigation to influence legislation and regulatory practices. Public Citizen focuses on various issues, including healthcare, environmental protection, and financial reform. It works to ensure that government actions are transparent and that citizens have a voice in the democratic process. Through its efforts, Public Citizen seeks to empower individuals and promote social justice.