From the conclusion of the quoted study in Italy: โ The results of the study showed that while the FoPLs had limited impact on the food items chosen by consumers, the Nutri-Score system was most effective in aiding consumers to order the items by nutritional quality.โ
Most effective? Just continue reading ๐...
โAll five FoPLs improved somewhat the nutritional quality of food choices compared to no label for some participants, with no significant differences across schemesโ
Essentially any FOPL does not really drive choices, any FOPL has a marginal positive effect...and Nutriscore is better but not significantly so. In other words FOPL is useless...๐