Top 10 · Updated October 2026
Highest-Protein Extra-Mature Cheddar
Extra-mature cheddar: typically 25 g of protein per 100 g (median of 52 products). The extra-mature cheddar with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 51 extra-mature cheddar with complete data.
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Mature cheddar slices
M&S · 250 g -
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Extra Mature Cheddar
Pilgrims Choice -
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How we built this list
We ranked all published extra-mature cheddar on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.