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Nutrition labels can help you choose between products and keep a check on the amount of foods you're eating that are high in fat, salt and added sugars.
Read on or use the links below to go straight to the sections that interest you.
Most pre-packed foods have a nutrition label on the back or side of the packaging. These labels include information on energy in kilojoules (kJ) and kilocalories (kcal), usually referred to as calories.
They also include information on fat, saturates (saturated fat), carbohydrate, sugars, protein and salt. All nutrition information is provided per 100 grams and sometimes per portion of the food.
Supermarkets and food manufacturers now highlight the energy, fat, saturated fat, sugars and salt content on the front of the packaging, alongside the reference intake for each of these.
You can use nutrition labels to help you choose a more balanced diet. For a balanced diet:
You can learn more in A balanced diet.
Nutrition labels are often displayed as a panel or grid on the back or side of packaging. For example, the image below shows the back of pack nutrition label on a loaf of white bread.
This type of label includes information on energy (kJ/kcal), fat, saturates (saturated fat), carbohydrate, sugars, protein and salt.
It may also provide additional information on certain nutrients, such as fibre. All nutrition information is provided per 100 grams and sometimes per portion of the food.
There are guidelines to tell you if a food is high in fat, saturated fat, salt or sugar, or not. These are:
Total fat
High: more than 17.5g of fat per 100g
Low: 3g of fat or less per 100g
Saturated fat
High: more than 5g of saturated fat per 100g
Low: 1.5g of saturated fat or less per 100g
Sugars
High: more than 22.5g of total sugars per 100g
Low: 5g of total sugars or less per 100g
Salt
High: more than 1.5g of salt per 100g (or 0.6g sodium)
Low: 0.3g of salt or less per 100g (or 0.1g sodium)
For example, if you are trying to cut down on saturated fat, limit your consumption of foods that have more than 5g of saturated fat per 100g.
Some nutrition labels on the back or side of packaging also provide information about reference intake (RI). Find out more about RI below.
Most of the big supermarkets and many food manufacturers also display nutritional information on the front of pre-packed food. This is very useful when you want to compare different food products at a glance.
Front-of-pack labels, such as the label in the above image, usually give a quick guide to:
These labels provide information on the number of grams of fat, saturated fat, sugars and salt, and the amount of energy (in kJ and kcal) in a serving or portion of the food. But be aware that the manufacturer's idea of a portion may be different from yours.
Some front-of-pack nutrition labels also provide information about reference intakes.
Nutrition labels can also provide information on how a particular food or drink product fits into your daily diet.
Reference intakes are guidelines about the approximate amount of particular nutrients and energy required for a healthy diet.
Find out more about adult reference intakes.
Some front-of-pack nutrition labels use red, amber and green colour coding.
Colour-coded nutritional information, as shown in the image above, tells you at a glance if the food has high, medium or low amounts of fat, saturated fat, sugars and salt.
In short, the more green on the label, the healthier the choice. If you buy a food that has all or mostly green on the label, you know straight away that it's a healthier choice.
Amber means neither high nor low, so you can eat foods with all or mostly amber on the label most of the time.
But any red on the label means the food is high in fat, saturated fat, salt or sugars, and these are the foods we should cut down on. Try to eat these foods less often and in small amounts.
Most pre-packed food products also have a list of ingredients on the packaging or an attached label. The ingredients list can also help you work out how healthy the product is.
Ingredients are listed in order of weight, so the main ingredients in the packaged food always come first. That means that if the first few ingredients are high-fat ingredients, such as cream, butter or oil, then the food in question is a high-fat food.
You're standing in the supermarket aisle looking at two similar products, trying to decide which to choose. You want to make the healthier choice, but you're in a hurry.
If you're buying ready meals, check to see if there's a nutrition label on the front of the pack, and then see how your choices stack up when it comes to the amount of energy, fat, saturated fat, sugars and salt.
If the nutrition labels use colour coding, you will often find a mixture of red, amber and green. So, when you're choosing between similar products, try to go for more greens and ambers, and fewer reds, if you want to make a healthier choice.
But remember, even healthier ready meals may be higher in fat and energy than the homemade equivalent. If you make the meal yourself, you could save money, too. Find out more in On a budget.
To find out more about food labels, including what terms such as "light/lite" and "low fat" mean, and the difference between "use by" and "best before", read Food labelling terms.
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