Multiple choice Red colour coding on the front of pack labelling tells us that food is: Low in fat, saturated fat, sugar or salt Out of date High in fat, saturated fat, sugar or salt Medium in fat, saturated fat, sugar and salt Reveal answer Fill a bubble to check yourself C Correct answer Explanation In traffic-light food labeling systems, red indicates that the product is high in a particular nutrient (such as fat, saturated fat, sugar, or salt) that we should try to limit. Green indicates low levels, and amber indicates medium levels.