The Best Cheeses for Keto in the UK

The ketogenic diet prioritises high-fat, moderate-protein foods while minimising carbohydrates. Cheese fits this profile well, offering both flavour and nutritional benefits. In the UK, supermarkets stock numerous varieties suitable for keto, from everyday cheddar to specialty blues.

What makes cheese keto-friendly

Cheeses with negligible carbs and higher fat content align with ketogenic principles. Hard cheeses like cheddar typically contain less than 1g of carbs per 100g. Soft cheeses such as brie provide similar macros while offering variety. The fermentation process reduces lactose content, further lowering carbohydrate levels.

Research suggests full-fat dairy may support metabolic health. A 2018 study in Diabetes Therapy found that nutritional ketosis improved markers in people with type 2 diabetes (Hallberg et al., 2018). While not directly about cheese, it highlights how high-fat dairy fits within therapeutic low-carb approaches.

Top supermarket picks

Cheddar

Available at every UK supermarket, mature cheddar averages 0.4g carbs per 30g serving. Tesco stocks a 400g block of Seriously Strong Cheddar for £2.50, making it affordable for regular use. The sharper varieties provide more flavour per gram.

Brie and Camembert

These soft cheeses contain about 0.1g carbs per 30g. Waitrose sells a 200g wheel of Brie de Meaux for £3.75, while Aldi’s equivalent costs £1.89. The rind is edible and adds texture.

Stilton

Blue cheeses like Stilton average 0.7g carbs per 30g. Sainsbury’s stocks Colston Bassett Stilton for £3 per 200g wedge. The mould cultures may support gut health, though evidence remains preliminary.

What this means in practice

During colder months when fresh produce costs more, cheese provides shelf-stable fat sources. A 100g portion of cheddar contains approximately 400 calories, 33g fat, and 25g protein – ideal for keto macros. Budget around £5-7 weekly for quality cheeses.

The NHS advises moderation with high-saturated-fat foods, though recent analyses question traditional fat guidelines (Hyde et al., 2019). Those with lactose intolerance should monitor reactions to softer cheeses.

Storage and usage tips

Keep cheese in wax paper inside the fridge’s vegetable drawer. Freezing alters texture but works for cooking cheeses. Grate frozen cheddar directly into omelettes or keto cauliflower cheese.

Frequently asked questions

Can I eat cheese every day on keto?

Yes, provided it fits your macros. Most people tolerate 30-60g daily without issues. Track intake if weight loss stalls.

Is processed cheese keto-friendly?

Some sliced cheeses contain starches or milk powders. Always check labels – authentic cheeses list just milk, salt, cultures, and enzymes.

Which cheese has the lowest carbs?

Parmesan and pecorino average 0g net carbs per serving. Find them in the specialty cheese section at Morrisons.

The bottom line

UK supermarkets offer diverse cheeses fitting ketogenic macros. Prioritise full-fat, minimally processed options and enjoy them as part of a varied diet. If you’d rather not do the macro maths yourself, the Keto Dieting app does it for you on Google Play and the App Store.

Educational only — not medical advice. This article is for general information. Speak to your GP before changing your diet, especially if you have type 1 or type 2 diabetes, kidney or liver disease, are pregnant or breastfeeding, or take medication for blood pressure, cholesterol, or blood glucose.

References

Hallberg SJ, McKenzie AL, Williams PT, et al. (2018). Effectiveness and Safety of a Novel Care Model for the Management of Type 2 Diabetes at 1 Year: An Open-Label, Non-Randomized, Controlled Study. Diabetes Therapy. https://doi.org/10.1007/s13300-018-0373-9
Hyde PN, Sapper TN, Crabtree CD, et al. (2019). Dietary carbohydrate restriction improves metabolic syndrome independent of weight loss. JCI Insight. https://doi.org/10.1172/jci.insight.128308