Table 1.

Search terms (search conducted 5 July 2022).

Key Concept→ ↓Database (Platform)	Kiwifruit	Mental Health	Vitamin C
CINAHL with full text (EBSCOhost)	MH Kiwi + OR TI “Kiwi fruit” OR AB “Kiwi fruit” OR TI Kiwifruit OR AB Kiwifruit OR TI “Actinidia Deliciosa” OR AB “Actinidia Deliciosa” OR TI “Actinidia Chinensis” OR AB “Actinidia Chinensis” OR TI “Gold kiwifruit” OR AB “Gold kiwifruit” OR TI “Green kiwifruit” OR AB “Green kiwifruit” OR TI Zesy002 OR AB Zesy002 OR TI Sungold OR AB Sungold AND	MH “Mental health” OR MH Affect OR MH Depression OR AB Vitality OR TI Vitality OR MH “Psychological well-being” OR TI “Psychological well-being” OR AB “Psychological well-being” OR TI “Psychological well-being” OR AB “Psychological well-being” OR TI “Psychological distress” OR AB “Psychological distress” OR TI “Mood disturbance” OR AB “Mood disturbance” OR TI “Mood improvement” OR AB “Mood improvement” AND	MH “Ascorbic acid” + OR TI “Vitamin C” OR AB “Vitamin C”
Embase (Ovid)	exp Kiwifruit OR Kiwi fruit.ti,ab OR Kiwifruit.ti,ab OR exp Actinidia OR exp Actinidia chinensis OR Actinidia chinensis.ti,ab OR exp Actinidia deliciosa OR Actinidia deliciosa.ti,ab OR Gold kiwifruit.ti,ab OR Green kiwifruit.ti,ab OR Zesy002.ti,ab OR Sungold.ti,ab AND	exp Mental health OR Mental health.ti,ab OR exp Affect OR Affect.ti,ab OR exp Mood OR Mood.ti,ab OR exp Depression OR Depression.ti,ab OR Vitality.ti,ab OR exp Psychological well-being OR exp Psychological well-being OR Psychological well-being.ti,ab OR Psychological well-being.ti,ab OR Psychological distress.ti,ab OR Mood disturbance.ti,ab OR Mood improvement.ti,ab AND	exp Ascorbic acid OR Vitamin C.ti,ab
PubMed (NCBI)	Kiwi fruit[tiab] OR Kiwifruit[tiab] OR “Actinidia” [mh] OR Actinidia deliciosa[tiab] OR Actinidia Chinensis [tiab] OR Gold kiwifruit[tiab] OR Green kiwifruit[tiab] OR Zesy002[tiab] OR Sungold[tiab] AND	“Mental health” [mh] OR Mental health[tiab] OR “Affect” [mh] OR Affect[tiab] OR Mood[mh] OR Mood[tiab] OR “Depression” [mh] OR Depression[tiab] OR Vitality[tiab] OR Psychological well-being[tiab] OR Psychological well-being[tiab] OR Psychological distress[tiab] OR Mood disturbance[tiab] OR Mood improvement[tiab] AND	“Ascorbic acid” [mh] OR Vitamin C [tiab]