GS1 prefix
Prefix 503
Barcodes starting with 503 were issued by GS1 UK. 78 products sold in the United States carry this prefix. It shows where the code was registered, not where the product was made.
78products with a complete record
7%rated A or B on Nutri-Score
41.1 gsugars per 100 g (median)
0.36 gsalt per 100 g (median)
Nutri-Score
How rated products spread
A 2%B 5%C 7%D 12%E 74%
42 rated products
Median values
Per 100 g, across all 78 products
| Calories | 418 kcal |
| Sugars | 41.1 g |
| Saturated fat | 6.7 g |
| Salt | 0.36 g |
Categories
Most represented
Products
78 products, most viewed first · page 1 of 2.











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Thorntons Mini Brownie Bites 9Pk2 scans

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Steak & Ale Just For TwoPukka1 scanDF
Food Group1 scanM
Mary Berry Celebration Rose Cake1 scan


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Norfolk Cake Co Cinnamon Flapjack1 scan








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Cadbury Chocolate Bournville Dark Chocolate · 45 g1 scanE



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Mission Kids Disney 6 Strawberry Flavoured Wraps 186G1 scanM
Mission Deli Wholemeal Wraps 8 Pack1 scan
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Maclean's, Traditional Luxury ShortbreadMaclean's Highland BakeryET
Thorntons Celebration CakeP
Peppa Pig Celebration Cake
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Me To You Party CakeD
Despicable Me Celebration CakeM
My Little Pony Celebration CakeT
Thorntons White Caramel Shortcake Bites 9PkP
Peppa Pig Mini Fun Cakes 9PkM
Minion Funcake Cupcakes 9PackSource: Open Food Facts export of 23 October 2026, ODbL, and USDA FoodData Central, April 2026 release, CC0 · Shelfpedia calculations (medians, distributions).