A 30g bowl of M&S Honey & Mixed Nut Crunch contains 143 kcal, 4.3g of sugar (all of it free sugar), 1.8g of fibre and 3.2g of protein. With 125ml of semi-skimmed milk the bowl comes to 202 kcal and 10.2g of total sugar. It is classed as NOVA 4 (ultra-processed).
All 14.5g of sugar per 100g in Honey & Mixed Nut Crunch counts as free sugar, because it comes from added sugars rather than whole fruit or milk. A 30g bowl gives 4.3g, about 1.1 teaspoons.
Honey & Mixed Nut Crunch is classed as NOVA 4, ultra-processed, because its ingredients include glucose syrup and caramelised sugar. These are industrial ingredients you would not use in a home kitchen. 2 of its 15 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.