A 30g bowl of Sainsbury's Taste the Difference Berry Muesli contains 108 kcal, 6.5g of sugar (2.1g of free sugar), 1.9g of fibre and 2.7g of protein. With 125ml of semi-skimmed milk the bowl comes to 167 kcal and 12.4g of total sugar. It is classed as NOVA 4 (ultra-processed).
Of the 21.6g of sugar per 100g in Taste the Difference Berry Muesli, Boone counts 7.0g as free sugar. The rest (14.6g) is sugar in whole dried fruit, which the NHS limit does not count. Method: total sugar less 14.6g from whole dried fruit.
Taste the Difference Berry Muesli is classed as NOVA 4, ultra-processed, because its ingredients include colour and flavouring. These are industrial ingredients you would not use in a home kitchen. 2 of its 20 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.