Table 1.

Search terms used by studied policy and database. 2022.

Policy	Search Terms
Ultra-processed food and beverage tax	PUBMED: (((tax OR price)) AND (“unhealthy food” OR soda OR “sugar sweetened beverage”)) AND (barrier OR enabler OR difficult OR facilitator OR “food industry” OR “big food” OR “political choice” OR reinforcement OR implement OR experience))
	Web of Science (WOS): TS = ((tax OR price) AND (unhealthy food OR soda OR sugar sweetened beverage) AND (barrier OR enabler OR difficult OR facilitator OR food industry OR big food OR political choice OR reinforcement OR implement OR experience))
	Scopus: ((tax OR price) AND (unhealthy AND food OR soda OR sugar AND sweetened AND beverage) AND (barrier OR enabler OR difficult OR facilitator OR food AND industry OR big AND food OR political AND choice OR reinforcement OR implement OR experience))
	Virtual Health Library (BVS): impostos OR preço OR tributo) AND (“alimentos não saudáveis” OR refrigerantes OR “bebidas adoçadas” OR “bebidas açucaradas”) AND (“indústria de alimentos” OR “indústria alimentícia” OR implementação OR experiência)
Front-of-package labeling	PUBMED: ((“front-of-package” OR “traffic light” OR “warning label” OR GDA OR “Nutri-score” OR CNL OR “star rating”) AND (“food label” OR “food labeling”) AND (barrier OR enabler OR difficult OR facilitator OR “food industry” OR “big food” OR “political choice” OR reinforcement OR implement OR experience)
	WOS: TS = ((front-of-package OR traffic light OR warning label OR GDA OR Nutri-score OR CNL OR star rating) AND (food) AND (label OR labeling) AND (barrier OR enabler OR difficult OR facilitator OR food industry OR big food OR political choice OR reinforcement OR implement OR experience))
	Scopus: ((front-of-package OR traffic light OR warning label OR GDA OR Nutri-score OR CNL OR star rating) AND (food) AND (label OR labeling) AND (barrier OR enabler OR difficult OR facilitator OR food industry OR big food OR political choice OR reinforcement OR implement OR experience))
	BVS: (rotulagem nutricional frontal OR semáforo OR alerta OR advertência OR GDA OR Nutri-score OR CNL OR star rating) AND rotulagem AND alimentos AND (“indústria de alimentos” OR “indústria alimentícia” OR implementação OR experiência)
Marketing restriction	PUBMED: (((marketing OR promotion OR placement OR advertising OR television OR media) AND (children OR child) AND (“unhealthy food” OR “ultra-processed”)) AND (regulation OR policy) AND (barrier OR enabler OR difficult OR facilitator OR “food industry” OR “big food” OR “political choice” OR reinforcement OR implement OR experience))
	WOS: TS = ((marketing OR promotion OR placement OR advertising OR television OR media) AND (unhealthy food OR ultra-processed) AND (regulation OR policy) AND (barrier OR enabler OR difficult OR facilitator OR food industry OR big food OR political choice OR reinforcement OR implement OR experience) AND (children OR child))
	Scopus: TITLE-ABS-KEY (((marketing OR promotion OR placement OR advertising OR television OR media) AND (unhealthy AND food OR ultra-processed) AND (regulation OR regimentation OR policy) AND (barrier OR enabler OR difficult OR facilitator OR food AND industry OR big AND food OR political AND choice OR reinforcement OR implement OR experience) AND (children OR child)))
	BVS: (marketing OR publicidade) AND (alimentos OR ultraprocessados) AND (crianças OR infância OR infantil)