1 Table S1. List of food categories selected as part of the intervention Major Category Minor Category Subcategory Biscuits Plain biscuits, savoury biscuits, sweet filled and unfilled biscuits Bread White bread, wholemeal bread, mixed grain bread, flat bread, pita bread, tortillas, fruit bread, pizza bases, 1. Bread and garlic bread, English muffins, crumpets bakery products Cakes, muffins Vanilla/plain cakes, chocolate cake, fruit cakes, lamingtons, Bavarian, Christmas cakes and puddings, & pastries cheesecakes, fruit cake mix, vanilla/plain cake mix, chocolate cake mix, pancake mix, sweet pastries, quiche Breakfast cereals Flavoured oats, flakes with additions, corn flakes, puffed cereals, breakfast biscuits, sweet cereals, muesli with fruit, granola/cluster cereals Noodles Flavoured noodles 2. Cereal and Rice Ambient flavoured rice and dry packet flavoured rice grain products Pasta Vegetarian and meat/seafood packet pasta Cereal and Nut Cereal and nut bars, cereal-based bars, nut-based bars, puffed bars, baked and filled bars Bars Pizza All Ready meals Ambient noodle-based meals, ambient Asian-style meals, pasta-based meals, chilled lasagne, chilled risotto, chilled meat and veg meals, chilled Asian style meals, chilled Asian meals without rice, frozen lasagne, 3. Convenience foods frozen meat and veg meals, frozen Asian style meals, frozen Asian dumpling Soup Canned soup, chilled soup, dry soup mixes Sandwiches & Sandwiches, potato salad, coleslaw, pasta salad, couscous-based salad salads Cheese Parmesan, feta, block cheese, sliced cheese, grated cheese, processed cheese, flavoured cream cheese, ricotta, cream cheese, cottage cheese, other flavoured soft cheese Milk Chocolate flavoured dairy milk, coffee flavoured dairy milk, strawberry flavoured dairy milk, vanilla 4. Dairy flavoured dairy milk and other flavoured dairy milk Ice-cream Frozen yoghurt, vanilla ice cream, chocolate ice cream, other sweet ice cream, fruit flavoured ice cream, ice cream cones, choc coated ice cream sticks 2 Yoghurt & Drinking yoghurt, flavoured yoghurt, yoghurt with muesli or other non- fruit additions, natural yoghurt, yoghurt drinks soy yoghurt, dry yoghurt mix, lactose free yoghurt, yoghurt with fruit 5. Edible oils and oil Edible oils Salted butter, margarine emulsions 6. Fish and fish products Processed fish Canned salmon, canned tuna, coated/battered frozen fish Fruit Fruit in juice and syrup Nuts & seeds Salted nuts 7. Fruit and vegetables Vegetables Baked beans, canned asparagus, canned beetroot, canned corn, canned legumes, canned mushrooms, canned tomato, frozen potato chips, frozen hash browns, other frozen potato products Processed meat Bacon, canned chicken, coated/breaded/frozen/chilled meat, meat pies, sausage rolls, meat burgers, salami and cured meat, hot dogs, beef sausages, chicken sausages, pork sausages, sliced chicken, sliced ham, sliced 8. Meat and luncheon meat, raw flavoured beef, raw flavoured lamb, raw flavoured chicken, raw flavoured turkey, raw meat products flavoured veal, raw flavoured pork), whole hams Meat alternatives Meat free burgers and flavoured tofu Soft drinks Sugar sweetened cola, sugar sweetened lemonade, sugar sweetened lemon squash, sugar sweetened 9. Non-alcoholic beverages creaming soda and other sugar sweetened soft drinks Juices Fruit poppers, nectars, lemon-based juice, sparkling juice Sauces Soy sauce, liquid stock, gravy stock, marinades, sweet and sour sauce, Dijon mustard, American style mustard, ambient and fresh tomato-based pasta sauce, fresh pasta sauce with meat, BBQ sauce, chilli and 10. Sauces, dressings, sweet chili sauce, tomato sauce, tomato paste. spreads and dips Spreads and dips Dips, peanut butter, other nut-based spreads, relishes, pickles, chutney Mayonnaise & Mayonnaise and salad dressings salad dressings 11. Snack foods Crisps & snacks Corn chips, extruded snacks, salt and vinegar snacks, popcorn and potato crisps Breakfast 12. Special foods All beverages 3 Table S2. Change in sodium content (mg/100g) over time by product category Group Intervention Comparator A Comparator B Comparator C Change Sodium Change over Sodium Change Sodium Sodium Change over Product Categories over time Year content time content over time content content time n n n (2018-2015) n (mg/100g) (2018-2015) (mg/100g) (2018-2015) (mg/100g) (mg/100g) (2018-2015) mg/100g Mean±SD mg/100g (%) Mean±SD mg/100g (%) Mean±SD Mean±SD mg/100g (%) (%) 2015 420 364±372 -39 596 344±271 +48 661 406±426 +21 5026 456±706 +6 All products 2018 565 325±268 (-10.7%) 899 392±350 (+14.0%) 922 427±417 (+5.2%) 6042 462±701 (+1.3%) Bread and bakery 2015 84 315±210 -4 147 314±158 +21 171 343±239 +26 942 437±278 -18 products 2018 146 311±155 (-1.3%) 216 335±157 (+6.7%) 198 369±219 (+7.6%) 1103 419±260 (-4.1%) Cereal and grain 2015 27 240±355 -114 44 176±176 +17 56 210±184 +36 572 294±542 +40 products 2018 27 126±189 (-47.5%) 56 193±168 (+9.7%) 91 246±215 (+17.1%) 663 334±561 (+13.6%) 2015 86 290±128 +5 40 329±116 -10 24 306±160 +15 474 520±1151 -67 Convenience foods 2018 134 295±115 (+1.7%) 104 319±163 (-3.0%) 71 321±144 (+4.9%) 749 453±859 (-12.9%) 2015 31 381±520 +32 96 353±350 +56 119 297±422 +21 823 300±396 -15 Dairy 2018 54 413±511 (+8.4%) 106 409±467 (+15.9%) 160 318±408 (+7.1%) 1063 285±377 (-5.0%) Edible oils and oil 2015 4 746±397 -133 3 520±151 -82 11 450±118 +37 61 433±169 +1 emulsions 2018 3 613±70 (-17.8%) 11 438±148 (-15.8%) 8 487±154 (+8.2%) 78 434±184 (+0.2%) Fish and fish 2015 14 340±88 -40 46 359±102 +25 44 404±142 +26 185 399±161 -21 products 2018 15 300±57 (-11.8%) 47 384±92 (+7.0%) 47 430±163 (+6.4%) 200 378±138 (-5.3%) Fruit and 2015 44 127±176 +49 65 163±130 +2 50 156±165 +86 362 169±176 +36 vegetables 2018 55 176±170 (+38.6%) 83 165±151 (+1.2%) 67 242±282 (+55.1%) 340 205±251 (+21.3%) Meat and meat 2015 65 649±550 -195 76 561±287 +64 77 800±431 -37 359 855±490 -54 products 2018 70 454±228 (-30.0%) 158 625±335 (+11.4%) 126 763±428 (-4.6%) 499 801±462 (-6.3%) Non-alcoholic 2015 10 5.1±2 +5.7 18 8±2 0 12 7±3 -1 216 9±10 0 beverages 2018 5 10.8±5 (+111.8%) 19 8±3 (0.0%) 11 6±3 (-14.3%) 200 9±11 (0.0%) Sauces, dressings, 2015 28 514±512 -16 44 506±397 +78 70 698±762 -84 802 780±1184 +66 spreads and dips 2018 25 498±558 (-3.1%) 73 584±679 (+15.4%) 103 614±739 (-12.0%) 910 846±1295 (+8.5%) 2015 27 495±228 -85 17 600±162 -34 23 613±208 +37 199 596±333 -38 Snack foods 2018 31 410±261 (-17.2%) 26 566±269 (-5.7%) 38 650±280 (+6.0%) 203 558±286 (-6.4%) 2015 0 - 0 - 4 78±5 -3 31 68±22 -10 Special foods - - 2018 0 - 0 - 2 75±7 (-3.8%) 34 58±25 (-14.7%) 4 Table S3. Change in sugar content (g/100g) over time by product category Group Intervention Comparator A Comparator B Comparator C Change over Change over Change over Change over Product Sugar Sugar Sugar Sugar time time time time Categories Year content content content content n (2018-2015) n (2018-2015) n (2018-2015) n (2018-2015) (g/100g) (g/100g) (g/100g) (g/100g) g/100g g/100g g/100g g/100g Mean±SD Mean±SD Mean±SD Mean±SD (%) (%) (%) (%) 2015 420 9.2±12.4 +0.6 596 10.6±12.7 -1.7 661 12.5±14.1 -1.7 5026 10.2±12.3 -0.7 All products 2018 565 9.8±13.0 (+6.5) 899 8.9±11.4 (-16.0%) 922 10.8±13.2 (-13.6%) 6042 9.5±11.7 (-6.9%) Bread and bakery 2015 84 24.5±16.3 -0.7 147 21.2±16.3 -2.8 171 22.7±17.7 -1.2 942 16.3±16.5 -0.2 products 2018 146 23.8±16.2 (-2.9%) 216 18.4±14.9 (-13.2%) 198 21.5±17.8 (-5.3%) 1103 16.1±16.2 (-1.2%) Cereal and grain 2015 27 15.1±10.4 +0.9 44 17.4±11.2 -3.2 56 23.3±10.6 -5.7 572 18.3±11.1 -3.2 products 2018 27 16.0±8.4 (+6.0%) 56 14.2±12.3 (-18.4%) 91 17.6±11.3 (-24.5%) 663 15.1±11.0 (-17.5%) Convenience 2015 86 3.5±2.7 -0.8 40 4.2±2.8 -1.0 24 3.4±1.9 -0.2 474 3.3±3.7 -0.3 foods 2018 134 2.7±1.8 (-22.9%) 104 3.2±2.2 (-23.8%) 71 3.2±2.1 (-5.9%) 749 3.0±2.8 (-9.1%) 2015 31 7.7±7.9 +0.2 96 10.5±10.2 -0.4 119 11.8±9.7 -0.3 823 10.6±8.8 -0.2 Dairy 2018 54 7.9±9.3 (+2.6%) 106 10.1±10.4 (-3.8%) 160 11.5±10.7 (-2.5%) 1063 10.4±9.0 (-1.9%) Edible oils and oil 2015 4 1.0±0.0 0.0 3 1.0±0.0 -0.2 11 1.0±0.1 -0.1 61 0.9±0.5 -0.1 emulsions 2018 3 1.0±0.0 (0.0%) 11 0.8±0.4 (-20.0%) 8 0.9±0.4 (-10.0%) 78 0.8±0.4 (-11.1%) Fish and fish 2015 14 0.7±1.1 +0.5 46 1.5±2.1 0.0 44 2.1±2.0 -0.1 185 1.7±1.7 +0.1 products 2018 15 1.2±2.0 (+71.4%) 47 1.5±2.1 (0.0%) 47 2.0±2.1 (-4.8%) 200 1.8±2.1 (+5.9%) Fruit and 2015 44 6.7±5.3 -0.4 65 5.6±5.4 +0.4 50 6.3±5.6 -0.9 362 5.8±5.5 +0.1 vegetables 2018 55 6.3±5.2 (-6.0%) 83 6.0±5.3 (+7.1%) 67 5.4±4.9 (-14.3%) 340 5.9±7.1 (+1.7%) Meat and meat 2015 65 1.4±1.5 -0.1 76 1.6±1.8 +0.5 77 1.3±1.1 +0.2 359 1.4±1.4 +0.3 products 2018 70 1.3±1.0 (-7.1%) 158 2.1±2.2 (+31.3%) 126 1.5±1.3 (+15.4%) 499 1.7±1.6 (+21.4%) Non-alcoholic 2015 10 8.3±4.3 +0.3 18 9.3±4.3 -1.1 12 8.8±4.1 -0.5 216 9.4±3.5 +0.1 beverages 2018 5 8.6±3.7 (+3.6%) 19 8.2±3.6 (-11.8%) 11 8.3±3.6 (-5.7%) 200 9.5±3.1 (+1.1%) Sauces, dressings, 2015 28 11.7±12.9 -1.4 44 9.2±8.7 +0.1 70 12.2±13.2 -1.8 802 11.1±14.7 -0.5 spreads and dips 2018 25 10.3±10.5 (-12.0%) 73 9.3±10.2 (+1.1%) 103 10.4±11.5 (-14.8%) 910 10.6±13.6 (-4.5%) 2015 27 1.9±1.5 +0.6 17 7.1±13.7 -3.1 23 2.2±1.4 +2.4 199 5.4±10.1 -0.1 Snack foods 2018 31 2.5±3.2 (+31.6%) 26 4.0±7.9 (-43.7%) 38 4.6±8.0 (+109.1%) 203 5.3±9.5 (-1.9%) 2015 0 - 0 - 4 7.2±0.2 +0.1 31 7.3±1.1 +0.1 Special foods - - 2018 0 - 0 - 2 7.3±0.3 (+1.4%) 34 7.4±1.4 (+1.4%) 5 Table S4.