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Nutritional Information for Leon

Leon's entire brand is built on the promise of 'Naturally Fast Food' — fresh ingredients, high fibre, gut-friendly choices. They even label dishes with nutritional symbols for protein, gut health, and plant variety. But does 'naturally' translate to low processing when you look at the ingredient lists? We applied NOVA classification to find out.

SpikeSaver analysis — Leon at a glance

2/12

Keto-friendly

2/12

High protein

6/12

Low sugar

2/12

Low glucose impact

Menu items — full analysis

Grilled Chicken Bowl
Grilled Chicken BowlGrilled chicken on rice with fresh vegetables — clean
480 kcal
NOVA 2Glucose: MediumHigh Protein

Fat

14g

Carbs

52g

Sugar

6g

Fibre

5g

Protein

32g

Net carbs

47.0g

Fish Finger Wrap
Fish Finger WrapProcessed fish fingers + wrap with commercial dough
520 kcal
NOVA 4Glucose: MediumLow Sugar

Fat

22g

Carbs

52g

Sugar

5g

Fibre

3g

Protein

24g

Net carbs

49.0g

Chicken Nuggets (6 pieces)
Chicken Nuggets (6 pieces)Processed chicken with binders and coating — despite 'GF' label
340 kcal
NOVA 4Glucose: Low-MediumHigh ProteinLow Sugar

Fat

16g

Carbs

22g

Sugar

1g

Fibre

1g

Protein

24g

Net carbs

21.0g

Lentil & Sweet Potato Curry
Lentil & Sweet Potato CurryWhole lentils and vegetables — relatively clean plant-based
420 kcal
NOVA 3Glucose: Medium

Fat

12g

Carbs

58g

Sugar

10g

Fibre

8g

Protein

14g

Net carbs

50.0g

Halloumi & Grain Salad
Halloumi & Grain SaladGrilled halloumi on whole grains — processed cheese on clean base
450 kcal
NOVA 3Glucose: Medium

Fat

22g

Carbs

38g

Sugar

8g

Fibre

5g

Protein

22g

Net carbs

33.0g

Plant-Based Meatball Box
Plant-Based Meatball BoxPlant-based protein requires more processing than chicken
510 kcal
NOVA 4Glucose: Medium

Fat

20g

Carbs

54g

Sugar

12g

Fibre

4g

Protein

18g

Net carbs

50.0g

Chicken Schnitzel Wrap
Chicken Schnitzel WrapBreaded chicken schnitzel in commercial wrap
550 kcal
NOVA 4Glucose: MediumLow Sugar

Fat

24g

Carbs

50g

Sugar

4g

Fibre

3g

Protein

28g

Net carbs

47.0g

Scrambled Egg PotFresh scrambled eggs — unprocessed breakfast option
220 kcal
NOVA 1Glucose: Very LowKeto ✓Low Sugar

Fat

14g

Carbs

4g

Sugar

2g

Fibre

0g

Protein

18g

Net carbs

4.0g

Avocado & Egg PotFresh avocado and eggs — minimal processing
280 kcal
NOVA 1Glucose: Very LowKeto ✓Low Sugar

Fat

20g

Carbs

8g

Sugar

2g

Fibre

4g

Protein

14g

Net carbs

4.0g

Sweet Potato Fries
Sweet Potato FriesSweet potato chips — processed but cleaner than most
300 kcal
NOVA 3Glucose: Medium

Fat

14g

Carbs

40g

Sugar

8g

Fibre

4g

Protein

3g

Net carbs

36.0g

Baked Fries
Baked FriesBaked potato fries — less oil than standard fries
250 kcal
NOVA 3Glucose: MediumLow Sugar

Fat

8g

Carbs

40g

Sugar

1g

Fibre

3.5g

Protein

4g

Net carbs

36.5g

Chocolate Brownie
Chocolate Brownie32g sugar — standard processed bakery item
380 kcal
NOVA 4Glucose: High

Fat

20g

Carbs

44g

Sugar

32g

Fibre

2g

Protein

4g

Net carbs

42.0g

Source: Leon UK published nutrition data · Last reviewed: 2026-04-04

The UPF picture at Leon

Leon performs better than most fast food chains under NOVA analysis, but the picture is mixed. Their grilled chicken dishes use simple marinades and recognisable ingredients, scoring NOVA 2-3. The rice bowls use whole grains and fresh vegetables — a genuinely clean base.

However, some items carry hidden processing. The nuggets (even the gluten-free ones Leon promotes) use processed chicken with binders and coatings. The sauces and dressings contain the standard commercial blend of emulsifiers, modified starches, and preservatives. The wraps and buns are commercially produced with standard dough improvers.

Leon's plant-based range is where the processing debate gets interesting. Like Greggs' Vegan Roll, plant-based protein alternatives require more processing to achieve their texture — pea protein, methylcellulose, and flavourings are common. Leon's 'plant-based' options may be better for the planet but aren't necessarily less processed than the chicken.

Lower-UPF ordering guide

Best choices

For the lowest UPF exposure at Leon: order the grilled chicken or fish options with rice and fresh salad. Leon's bowl format — protein on a grain base with vegetables — is inherently one of the cleaner fast food formats. Avoid the nuggets and heavily sauced items.

Leon's hot drinks (coffee, tea) are clean. Their fresh juices and smoothies are mixed — fresh fruit is NOVA 1 but commercial smoothie bases can contain stabilisers. Ask for simple builds. The breakfast range varies: a scrambled egg pot is clean; a muffin or pastry is processed. Leon is genuinely one of the better fast food options for low-processing eating, but you still need to choose carefully.

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