Understanding Food Labels Now let's see how well you understand and can use food labels. In this activity, you will answer questions based on what you see on a nutrition facts label for cereal. All the answers to the questions displayed are based on information found in the food label on this page. 1. If you eat one serving, what percent of the daily value of saturated fat have you eaten? 2. If you eat one serving, how many grams of dietary fiber have you eaten? 3. If you eat the entire container of cereal, how many calories have you consumed? 4. If you eat the entire container, what percent of the daily value of fat have you eaten? 5. Is this product a good source of vitamin C?