Table A2.

Questionnaire items for knowledge of the respective products and sources.

Product	Scale/Items	Source
PBMA	Plant-based meat alternatives are a source of vegetable protein	[26]
	Plant-based meat alternatives have a better fatty acid profile than meat and meat products	[26]
	Plant-based meat alternatives have lower CO2 emissions compared to meat and meat products	[52,53]
	Organically produced meat substitutes have fewer additives than conventionally produced meat substitutes	[26]
	Plant-based meat alternatives have equivalent amounts of salt as meat and meat products	[26]
	Plant-based meat alternatives are ultra-processed foods	[54,82,118]
	Plant-based meat alternatives are a fad and will be gone in a few years
PBCA	Plant-based cheese alternatives are free from lactose	[57,58]
	Plant-based cheese alternatives are free of cholesterol
	Plant-based cheese alternatives are reduced in saturated fatty acids	[58]
	Plant-based cheese alternatives have a reduced salt content	[58]
	Plant-based cheese alternatives can be fortified with important vitamins and minerals	[58]
	Plant-based cheese alternatives are ultra-processed foods	[111]
	Plant-based cheese alternatives are a fad and will be gone in a few years	[118,119,120]
PBMiA	Plant-based milk alternatives have lower calorie content compared to whole cows’ milk	[59]
	Plant-based milk alternatives have a better fatty acid profile compared to cows’ milk	[59]
	More land area is required to produce one liter of cows’ milk compared to plant-based milk alternatives.	[60]
	Plant-based milk alternatives produce fewer CO2 emissions.	[60]
	Cows’ milk falls under the reduced VAT rate of 7%, while plant-based milk alternatives are subject to the regular rate of 19%.	[121]
	Plant-based milk alternatives are a fad and will disappear in a few years	[78,121]