Figure 1

Overview of studies by food category and nutrient reduction_
| Food category | Reduced nutrient | Food product | No of studies |
|---|---|---|---|
| Dairy products | salt, fat | cheese, dairy drink, yoghurt, quark, butter | 15 |
| Soft drinks | sugar | cola, sweetened fruit juices, tomato juice | 7 |
| Sweet snacks | sugar, salt, fat | biscuits, chocolate, bars, muffins, M&M sweets | 7 |
| Meat products | salt, fat | sausages, frankfurters, ham, burgers | 7 |
| Bread | salt | bread | 5 |
| Soups | salt | instant/dehydrated chicken soup, tomato soup, vegetable soup | 3 |
| Salty snacks | salt | chips | 2 |
| Fruits and vegetables | salt, sugar | jam, canned beans, pickles | 2 |
| Other | fat | fat spread | 1 |
