A 30g bowl of M&S Fruit & Fibre Flakes contains 115 kcal, 5.7g of sugar (3.1g of free sugar), 2.8g of fibre and 2.7g of protein. With 125ml of semi-skimmed milk the bowl comes to 174 kcal and 11.6g of total sugar. It is classed as NOVA 4 (ultra-processed).
Of the 19.0g of sugar per 100g in Fruit & Fibre Flakes, Boone counts 10.2g as free sugar. The rest (8.8g) is sugar in whole dried fruit, which the NHS limit does not count. Method: total sugar less 8.8g from whole dried fruit (estimated where the pack gives no percentage).
Fruit & Fibre Flakes is classed as NOVA 4, ultra-processed, because its ingredients include flavouring. These are industrial ingredients you would not use in a home kitchen. 1 of its 13 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.