Food labels & nutritional information | Raising Children Network 23.09.2020 · Things to look out for on food labels: energy, fat, sugar and salt. Energy Energy is listed on the panel as kilojoules (kJ). Fats, protein and carbohydrates all provide your body with the energy or kilojoules you need to function and do your daily activities. When comparing similar foods, lower energy usually means lower fat or sugar, which means that the food is a better …