KFC Zinger Stacker Burger: calories, sugar and salt

Per burger (400g) of KFC Zinger Stacker Burger contains 813 kcal, 13g of sugar (3.3 teaspoons) and 3.7g of salt. It is classified as NOVA 4 under the NOVA food processing classification system.

Dietary: Contains meat / fish | Allergens: Wheat / Gluten, Milk, Egg, Sesame

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Nutrition by serving: calories, sugar and salt

Nutrition by serving: KFC Zinger Stacker Burger

Serving	Calories	Salt	Sugar	= teaspoons	Protein
Per burger (400g)	813 kcal	3.7g	13g	3.3 tsp	45.1g

Also per 100g: 203 kcal, 10.58g fat (1.93g sat), 15.23g carbs (3.25g sugar), 11.28g protein, 0.93g salt. Salt amber above 20% of 6g adult limit, red above 75%. Sugar in teaspoons at 4g each.

KFC Zinger Stacker Burger contains 813 kcal, 42.3g of fat (7.7g saturated), 60.9g of carbohydrate (13g sugar), 45.1g of protein and 3.7g of salt per standard serving.

Item alone vs a full meal

The table below shows how adding a typical side and drink changes the total calories, sugar and salt — to see your exact combination use the meal builder above.

Nutrient	Item alone Per burger (400g)	+ Signature Fries (Regular) Zinger Stacker Burger + side	+ Supercharger Sauce Zinger Stacker Burger + side + dip
Calories	813 kcal 41% of daily limit	1074 kcal 54% of daily limit	1392 kcal 70% of daily limit
Sugar	13g 3.3 tsp 43% of daily limit	13.5g 3.4 tsp 45% of daily limit	15.5g 3.9 tsp 52% of daily limit
Salt	3.7g 62% of daily limit	4.4g 73% of daily limit	5.5g 92% of daily limit
Sat fat	7.7g 39% of daily limit	8.5g 43% of daily limit	11.2g 56% of daily limit

Columns show the item alone, with Signature Fries (Regular), and with Signature Fries (Regular) and Supercharger Sauce. Use the calculator above to build your own combination. Adult daily limits used. For guidance only.

Sugar in KFC Zinger Stacker Burger

KFC Zinger Stacker Burger contains 13g of sugar per standard serving (3.3 teaspoons). Moderate sugar

The NHS free sugar limit is 30g per day for adults, 24g for children aged 7 to 10, and 19g for children aged 4 to 6. The table below shows how this compares across all age groups.

Sugar by portion: KFC Zinger Stacker Burger

Portion	Adult (female) 30g	Adult (male) 30g	Age 11 to 17 30g	Age 7 to 10 24g	Age 4 to 6 19g
Per burger (400g)	13g 43%	13g 43%	13g 43%	13g 54%	13g 68%
Teaspoons	3.3 tsp

Percentage shown is % of daily reference intake. Source: official UK nutrition data at time of writing. For guidance only.

Salt in KFC Zinger Stacker Burger

KFC Zinger Stacker Burger contains 3.7g of salt per standard serving. Moderate salt

Children have lower salt limits: 3g per day for ages 4 to 6, 5g for ages 7 to 10. The table below shows how this serving compares to daily limits for adults and children.

Salt by portion: KFC Zinger Stacker Burger

Portion	Adult (female) 6g	Adult (male) 6g	Age 11 to 17 6g	Age 7 to 10 5g	Age 4 to 6 3g
Per burger (400g)	3.7g 62%	3.7g 62%	3.7g 62%	3.7g 74%	3.7g 123%

Percentage shown is % of daily reference intake. Source: official UK nutrition data at time of writing. For guidance only.

Calories in KFC Zinger Stacker Burger

Calories by portion: KFC Zinger Stacker Burger

Portion	Adult (female) 2000 kcal	Adult (male) 2500 kcal	Age 11 to 17 1936 kcal	Age 7 to 10 1553 kcal	Age 4 to 6 1291 kcal
Per burger (400g)	813 kcal 41%	813 kcal 33%	813 kcal 42%	813 kcal 52%	813 kcal 63%

Percentage shown is % of daily reference intake. Source: official UK nutrition data at time of writing. For guidance only.

Saturated fat in KFC Zinger Stacker Burger

Saturated fat by portion: KFC Zinger Stacker Burger

Portion	Adult (female) 20g	Adult (male) 30g	Age 11 to 17 20g	Age 7 to 10 18g	Age 4 to 6 16g
Per burger (400g)	7.7g 39%	7.7g 26%	7.7g 39%	7.7g 43%	7.7g 48%

Percentage shown is % of daily reference intake. Source: official UK nutrition data at time of writing. For guidance only.

UPF classification: is KFC Zinger Stacker Burger ultra-processed?

NOVA 4: ultra-processed food

Contains modified starch, flavourings and multiple processed cheese slices — industrial additives throughout.

The NOVA classification system groups foods by the extent and purpose of processing. NOVA 4 covers products containing industrial additives not typically used in home cooking.

Ingredients

Double spicy chicken breast fillets, wheat flour bun (sesame), two processed cheddar cheese slices (milk), Supercharger sauce, iceberg lettuce, pickles.

Allergens at a glance

Allergen information: KFC Zinger Stacker Burger

Wheat / Gluten	Present
Milk	Present
Egg	Present
Soya	Not present
Peanuts	Not present
Tree Nuts	Not present
Fish	Not present
Shellfish	Not present
Celery	Not present
Mustard	Not present
Sesame	Present
Lupin	Not present
Molluscs	Not present
Sulphur Dioxide / Sulphites	Not present

KFC prepares food in kitchens where all 14 major allergens are present. Cross-contamination cannot be guaranteed for any item.

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Source: KFC UK Allergen and Nutrition Information, June 2026 (brand-uk.assets.kfc.co.uk/nutrition-allergens.pdf). NOVA classification from ingredient list at time of writing. For guidance only, not medical advice.