To illustrate the nutritional balance of a product, Yuka displays on each product sheet a detailed evaluation using a color-coded gauge for each type of nutrient (calories, saturated fat, sugar, salt, protein, fiber, and fruits or vegetables).
The gauge includes 4 color levels:
- Dark green;
- Light green;
- Orange;
- Red.
An adverb is associated with each color.
For nutrients to be limited, according to the Nutri-Score (calories, saturated fat, sugar, salt), Yuka associates the following adverbs with the corresponding colors:
- Dark green: "Low" calories / saturated fat / sugar / salt ;
- Light green: "Low impact";
- Orange: "A bit too" caloric / fatty / sugary / salty;
- Red: "Too" caloric / fatty / sugary / salty.
For nutrients to be encouraged, according to the Nutri-Score (protein, fiber, and fruits or vegetables), Yuka associates the following adverbs with the corresponding colors:
- Dark green: "Excellent amount" of protein / fiber / fruits / vegetables;
- Light green: "Some" protein / fiber or "Good quantity" of fruits / vegetables.
The gauges are scaled by numbers, whose maximum values (e.g., 45+ grams for sugar) correspond to those of the Nutri-Score. These values differ for beverages (e.g., 13.5+ grams for sugar) as explained here.