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.
Nutrition Evidence Systematic Review (NESR), formerly NEL
Nutrition Evidence Library was renamed to Nutrition Evidence Systematic Review (NESR) to communicate that we are a team of professionals who specialize in conducting systematic reviews on food- and nutrition-related topics.
2020 Dietary Guidelines Advisory Committee Systematic Reviews
USDA’s Nutrition Evidence Systematic Review (NESR) team supported the 2020 Dietary Guidelines Advisory Committee’s science-based review of specific topics and supporting scientific questions related to nutrition and health – from birth into older adulthood.
The Pregnancy and Birth to 24 Months Systematic Review Project
The Pregnancy and Birth to 24 Months (P/B-24) Project was jointly led by the USDA and the US Department of Health and Human Services. For the P/B-24 Project, NESR conducted systematic reviews on a select number of questions on diet and health for infants, toddlers, and women who are pregnant.
More information about our process
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
We convene groups of external experts to review the state of the science on nutrition and health. Learn more
Transparency
We ensure that each systematic review is transparent and accessible to the public.
Learn more