I'm not certain whether this is what you had in mind, but in the UK we have a green, amber, red (voluntary) labelling system that indicates fairly quickly at-a-

I'm not certain whether this is what you had in mind, but in the UK we have a green, amber, red (voluntary) labelling system that indicates fairly quickly at-a-glance how a food product fares in various nutritional dimensions: https://www.nutrition.org.uk/putting-it-into-practice/food-labelling/looking-at-labels/ https://www.nutrition.org.uk/putting-it-into-practice/food-l...