A 30g bowl of M&S Choco Crocos contains 112 kcal, 4.5g of sugar (all of it free sugar), 2.7g of fibre and 3.3g of protein. With 125ml of semi-skimmed milk the bowl comes to 171 kcal and 10.4g of total sugar. It is classed as NOVA 4 (ultra-processed).
All 15.0g of sugar per 100g in Choco Crocos counts as free sugar, because it comes from added sugars rather than whole fruit or milk. A 30g bowl gives 4.5g, about 1.1 teaspoons.
Choco Crocos is classed as NOVA 4, ultra-processed, because its ingredients include glucose syrup and flavouring. These are industrial ingredients you would not use in a home kitchen. 2 of its 9 ingredients are of this kind.
Boone classifies processing from the published ingredient list using the NOVA system. Added vitamins and minerals are not counted as a marker of ultra-processing.