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Porridge", "url": "https://myboone.app/kids-nutrition/ms-made-without-wheat-gluten-free-golden-syrup-porridge-calories-sugar-nutrition" }, { "@type": "ListItem", "position": 65, "name": "M&S Made Without Wheat Gluten Free Mixed Berry & Almond Overnight Oats", "url": "https://myboone.app/kids-nutrition/ms-made-without-wheat-gluten-free-mixed-berry-and-almond-overnight-oats-calories-sugar-nutrition" }, { "@type": "ListItem", "position": 66, "name": "M&S Mango & Warm Spices Overnight Oats", "url": "https://myboone.app/kids-nutrition/ms-mango-and-warm-spices-overnight-oats-calories-sugar-nutrition" }, { "@type": "ListItem", "position": 67, "name": "M&S Matcha & Raspberry Overnight Oats", "url": "https://myboone.app/kids-nutrition/ms-matcha-and-raspberry-overnight-oats-calories-sugar-nutrition" }, { "@type": "ListItem", "position": 68, "name": "M&S Mixed Berry & Apple Porridge", "url": "https://myboone.app/kids-nutrition/ms-mixed-berry-and-apple-porridge-calories-sugar-nutrition" }, { "@type": "ListItem", "position": 69, "name": "M&S Traditional Rolled Porridge Oats", "url": "https://myboone.app/kids-nutrition/ms-traditional-rolled-porridge-oats-calories-sugar-nutrition" } ] } ] }
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M&S Cereals Nutrition: Every Cereal Compared

Every M&S breakfast cereal sold through Ocado, 69 in all, from corn flakes and granola to porridge pots, measured against what a specific person needs in a day rather than an adult average.

Two things Boone does that a cereal box does not

Free sugar, separated from the rest. A box gives one total sugar figure. NHS daily limits count only free sugars, not the sugar naturally in whole dried fruit or milk. M&S Sultana Bran Flakes has 25g of sugar per 100g, but only 6.4g of it is free sugar; the rest comes from the sultanas. M&S Frosted Flakes has 22.3g, and all of it is free sugar.

Every bowl set against an age, with milk. A 30g bowl of M&S Honey Nut Corn Flakes is 8g of free sugar: 27% of an adult's daily limit and 42% of the limit for a child aged 4 to 6. Each product page lets you change the portion and the milk, including oat drink, whose sugar also counts as free sugar.

What the range looks like

14 of the 69 have no free sugar at all, mostly plain oats and the no added sugar mueslis and granolas. 32 are ultra-processed (NOVA 4), usually because of glucose syrup, added fibres, protein isolates or flavourings. On the government's 2018 nutrient profiling model, 29 would pass and 40 would be classed as less healthy.

M&S Cereals

Flakes

Puffs, Hoops and Pops

Wheat Biscuits

Bran and Fibre

Granola

Muesli

Clusters and Crunch

Porridge Oats and Sachets

Porridge Pots and Overnight Oats

How many M&S cereals does Boone cover?+

69 M&S own-label cereals listed on Ocado in October 2026, including flakes, hoops, granola, muesli, porridge oats, sachets and pots. Ocado stocks most but not all of the M&S range, so a few store-only lines may be missing.

Which M&S cereal has the most sugar?+

M&S Honey Nut Corn Flakes, with 26.6g of free sugar per 100g. A 30g bowl gives 8g, 27% of an adult's daily free sugar limit and 42% of a 4 to 6 year old's.

Which M&S cereals have no free sugar?+

14 of them, including the plain porridge oats, Only 1 Ingredient Corn Flakes, and the no added sugar mueslis and granolas. Their sugar comes from the grain, whole dried fruit or milk.

Which M&S cereal has the most fibre?+

M&S Bran Sticks, with 25.4g of fibre per 100g, so a 40g serving gives about a third of an adult's 30g daily target.

Which M&S cereal has the most protein?+

M&S High Protein Peanut & Oat Granola, with 24g of protein per 100g, closely followed by High Protein Vegan Chocolate Crunch at 23.3g. Both are ultra-processed, built on soya protein isolate.

Which M&S cereals are healthiest?+

On the government's 2018 nutrient profiling model, the best scores go to No Added Sugar Swiss Style Muesli and the plain porridge oats. The worst are Honey Nut Corn Flakes, Frosted Flakes and Choco Pops, all driven by free sugar.