Nutrition governance literature search strategy and results by source
| Data source | Justification | Search criteria | Initial sample | Papers retained |
| PubMed | Largest database of health and medical literature | Keywords: nutrition governance | 98 | 89 |
| JSTOR | Broad coverage of books, newspapers and social science journals | Nutrition in title or abstract; governance in full text | 83 | 59 |
| Citation review | Could detect relevant papers not identified by keyword searches | Review of titles and context of citation | Four papers directly on nutrition governance | 20 |
| Google Scholar | Broad coverage of reports and other grey literature | Keywords: nutrition governance | First 50 results | 9 |
| Final sample for analysis | 177 | |||