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Center for Science in the Public Interest

1220 L Street Northwest, Washington, DC, USA

CSPI is a non-profit health-advocacy group based in Washington, D.C., that focuses on nutrition and food safety.  CSPI provides valuable, objective information to the public, represents citizens' interests before governmental bodies, and serves as a watchdog over industry.  CSPI publishes Nutrition Action Healthletter (NAH), the nation's largest‑circulation nutrition newsletter.  CSPI is supported by the subscribers to NAH, donors, and foundation grants.