Table 2.

Search strategy across included databases

Database name	Final search string	Date of search	Records
MEDLINE	Biofortification[MeSH] OR biofortif*[tiab] OR “bio-fortif*“[tiab]	2021-03-09	1434
AgEcon	All of the words [biofortif*] in All Fields OR All of the words [bio-fortif*] in All fields	2021-04-07	73
AGRICOLA	TX (biofortif* OR bio-fortif*) AND TX (Adopt* OR Farmer* OR Household* OR Accept* OR Sensory OR DALY OR “disability adjusted life year*” OR Market* OR School meal program* OR Retention OR Mill* OR Process* OR Stor* OR Cook* OR Polish* OR Bioavailab* OR Cost-effectiveness OR Bioaccessib* OR Bioactiv* OR Efficacy)	2021-04-07	722
CAB Abstracts	TS=biofortif* OR TS=bio-fortif* AND TS=(Adopt* OR Farmer* OR Household* OR Accept* OR Sensory OR DALY OR “disability adjusted life year*” OR Market* OR School meal program* OR Retention OR Mill* OR Process* OR Stor* OR Cook* OR Polish* OR Bioavailab* OR Cost-effectiveness OR Bioaccessib* OR Bioactiv* OR Efficacy)	2021-04-07	1538