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Did Dorset Cereals Simply Fruity → Fantastically Fruity Muesli shrink?

630 → 500 g −20.6%
Size Facts
Did it shrink?Yes
Before630 g
After
500 g
Cut−20.6%
Hidden unit-price rise at same price+26.0%
When2026
CountryUnited Kingdom
Evidencetrade press (Assosia retail data; brand statement confirms some pack sizes were cut)
Confidencemedium

Source: The Grocer — Dorset Cereals muesli reformulation slammed by shoppers (15 Oct 2026) (thegrocer.co.uk). Source fetched 2026-10-19. Replacement product with a new recipe, not the same muesli in a smaller box. Dorset says it 'reduced some pack sizes' because of ingredient, energy and packaging costs. The Grocer says the 500 g pack costs about 10% more than the old 630 g pack. Check the math in the calculator.

What the source says

“owever, the new recipe has 40.8% less sugar per 100g, while its fibre and protein content have been boosted by 14% and 17.2% per 100g, respectively. Meanwhile, the new 500g packs of Fantastically Fruity Muesli cost £3.96 in Asda, around 10% more than the 630g packs of Simply Fruity. On a per kg basis, prices have soared by 38.6%. The nutritional information closely resembles that of Simply Fruity. D”

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