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Nutrition Action

CSPI's consumer-focused newsletter on food science and nutrition claims

Newsletter Nutrition Monthly Updated Oct 2026

About

Nutrition Action comes out of the Center for Science in the Public Interest, the advocacy group that's been picking apart food industry marketing claims since the 1970s. The newsletter keeps that same mission going, breaking down what's actually in packaged food, testing restaurant meals against their advertised nutrition info, and tracking the research behind whatever diet trend is getting headlines that month.

It's written for readers who want a skeptical, consumer-advocate lens rather than wellness-industry enthusiasm. Expect pieces that name specific brands and products, grade them, and explain the chemistry or statistics behind a health claim in plain language. The monthly format suits its deeper, more deliberate style of reporting.

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