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2026 · Preprint · Research Square

Lumping vs. Splitting Nutrients, Foods and Diet Patterns in Nutrition Research: Science Dialogue Mapping of Origins, Uses and Knowledge Gaps

Sabrina Ayoub-Charette; Laura Chiavaroli; Alexandra Cowan-Pyle; Josh Erndt-Marino; Colby Vorland; Caitlin DeVore; Andrew Keitt; Andrew (W) Brown

Maps how nutrition research groups or separates nutrients, foods, and dietary patterns and where important knowledge gaps remain.

Preprint; this version has not been peer reviewed.

Open-science resources

Resource verification & source notes
  • Earlier preprint: Matched title / source version grouping.
  • Preprint: Public preprint record in the saved source catalogue. No final journal article identified as of retrieval.

Publication details

Research themes

Reporting transparencyNutrition & aging

Nutrition · Diet definitions

Author affiliations & identifiers
  • Sabrina Ayoub-Charette: University of Toronto · ORCID https://orcid.org/0000-0002-7087-7815
  • Laura Chiavaroli: University of Toronto · ORCID https://orcid.org/0000-0002-8900-6366
  • Alexandra Cowan-Pyle: Florida State University
  • Josh Erndt-Marino: Friedman School of Nutrition Science & Policy, Tufts University
  • Colby Vorland: Indiana University School of Public Health-Bloomington
  • Caitlin DeVore: Arkansas Children’s Research Institute
  • Andrew Keitt: University of Alabama at Birmingham
  • Andrew (W) Brown: University of Arkansas for Medical Sciences · ORCID https://orcid.org/0000-0002-1758-8205

Preprint & version links

Source notes
  • Scholar indexes the first version dated March 5; OpenAlex identifies version 2 dated May 1, 2026. Preserve both version dates; do not add duplicate work.
  • Preprint, not established as peer reviewed.

Metadata sources: OpenAlex, Google Scholar. Classification is an editorial interpretation of the title, abstract, and supplied CV.