2025 Dietary Guidelines Advisory Committee Systematic Reviews

The 2025 Dietary Guidelines Advisory Committee is conducting systematic reviews with support from USDA's Nutrition Evidence Systematic Review (NESR) team. Detailed information is available at the link below about the 2025 Advisory Committee’s systematic reviews, and NESR’s methodology used to conduct them.

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How NESR Works 

Learn more about our process and the team behind it.

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About

NESR is a team of staff who are experts in systematic review methodology at USDA’s Center for Nutrition Policy and Promotion (CNPP).

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Projects

NESR projects help answer important public health questions by evaluating scientific evidence on topics relevant to Federal policy and programs.

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Methodology

NESR uses rigorous, protocol-driven methodology to answer important public health-related, food and nutrition questions.

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Publications

NESR publishes complete systematic reviews on our website and peer-reviewed articles in high-impact journals.

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More information about our process

NESR Staff

NESR Staff

We handle all aspects of the work necessary for timely execution of systematic reviews in accordance with NESR methodology. Learn more

Expert Groups

Expert Groups

We convene groups of external experts to review the state of the science on nutrition and health. Learn more

Advancing NESR

Advancing NESR Methodology

We ensure that our methodology remains state-of-the-art. Learn more

Transparency

Transparency

We ensure that each systematic review is transparent and accessible to the public. 
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