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The Nutrition Source

Harvard T.H. Chan School of Public Health's evidence-based nutrition guidance

Newsletter Nutrition Monthly Updated Oct 2026

About

The Nutrition Source comes directly out of Harvard's public health school, written by researchers rather than journalists, and it functions as a reference for what the actual evidence says about diet, from specific nutrients to broader eating patterns like the Mediterranean diet.

It's deliberately conservative and citation-backed rather than trend-chasing, which makes it a good counterweight to more opinionated nutrition newsletters. Readers come for the credibility of the source as much as for any single piece of advice.

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