Imagine a world where food on grocery store shelves is ranked by its healthiness, with simple, research-backed scores. In some countries, that world already exists.
Nutrient profiling systems, or NPSs, support clear front-of-package labels that assess food quality based on nutrient content. Nutri-Score[1] in France is a rainbow-colored system grading foods from A to E. Health Star Rating[2] in Australia is a five-star system...