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KitKat Kit Kat King Size
Photo: Open Food Facts contributors (CC BY-SA)

Candy chocolate bars filled with wafer

KitKat Kit Kat King Size

3 oz

Bad out of 100 Medium confidence
  • Ultra-processed
  • High in sugar
  • High in saturated fat
  • Contains added sugars
  • Contains seed oils
  • Contains palm oil
  • Contains artificial flavors
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Why it scores 7

KitKat Kit Kat King Size scores 7 out of 100 (Bad) under GoodSwap’s published rules. What moved the score most:

  1. Sugar: An added sugar. Strong
  2. Lactose: An added sugar. Strong
  3. Ultra-processed (NOVA 4): Classified NOVA 4: made with industrial ingredients and additives. Strong

Every line of the math is on The Receipt below, with its evidence tier and sources.

Better chocolate candy

The same kind of product, at least 10 points higher, sold in the US. Never paid placements.

The Receipt

Kit Kat King Size

START100

Ingredients

  • Sugar
    Strong An added sugar. [1][2][3]
  • Lactose
    Strong An added sugar. [1][2][3]
  • Vegetable oil (unspecified)
    Emerging High in omega-6 linoleic acid. [4][5][6][7]
  • Palm kernel oil
    Strong About half saturated fat; WHO recommends keeping saturated fat to 10% of energy or less. [8][9][10]
  • Palm oil
    Strong About half saturated fat; WHO recommends keeping saturated fat to 10% of energy or less. [8][9][10]
  • Soy lecithin
    Info An additive class typical of ultra-processed foods (NOVA group 4). [11]
  • PGPR (polyglycerol polyricinoleate)
    Info An additive class typical of ultra-processed foods (NOVA group 4). [11]
  • Artificial flavors
    Strong US dietary guidelines advise limiting foods with artificial flavors. [2][12]
subtotal−48

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [11]
  • 3 kinds of ultra-processing markers
    Emerging Industrial additive classes found: emulsifier, flavoring and industrial sugar or starch hydrolysate. [11]
subtotal−21

Nutrition per 100 g

  • Sugars 50 g / 100 g
    Strong Very high in sugar. [1]
  • Saturated fat 18.8 g / 100 g
    Strong Very high in saturated fat. [8]
  • Energy 500 kcal / 100 g
    Info Energy-dense for its weight. [2]
  • Fiber 3.1 g / 100 g
    Strong A good source of fiber. [2]
subtotal−24
TOTAL 7Bad

100 − 93 = 7

Can’t score above 79. Contains sugar, an ingredient of high concern. [1][2][3]

Can’t score above 79. High in fat, saturated fat and sugars (above the front-of-pack "high" level). [13]

GTIN 00034000002290 · 2026-09-20

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy500 kcal
Fat25 g
Saturated fat18.8 g
Trans fat0 g
Carbohydrates65.6 g
Sugars50 g
Added sugars43.8 g
Fiber3.1 g
Protein6.3 g
Salt0.2 g

Serving: 3 finger(s) (32 g)

Ingredients

High Moderate Not recognized Tap an ingredient for its evidence and rules.
Label text, as published

SUGAR; WHEAT FLOUR; SKIM MILK; COCOA BUTTER; CHOCOLATE; VEGETABLE OIL [PALM KERNEL OIL; PALM OIL]; MILK FAT; LACTOSE (MILK); CONTAINS 2% OR LESS OF: LECITHIN (SOY); PGPR; VANILLIN, ARTIFICIAL FLAVOR; SALT; YEAST; BAKING SODA.

Allergens and diets

Contains: Milk, Soy, Wheat, Gluten

  • Not vegan
  • Vegetarian
  • Not gluten-free
  • Not palm-oil-free

Always check the package: recipes change.

More from KitKat

Sources

  1. Guideline: sugars intake for adults and children

    World Health Organization · Mar 4, 2015 · Agency assessment

    “In both adults and children, WHO recommends reducing the intake of free sugars to less than 10% of total energy intake”

    who.int

  2. Dietary Guidelines for Americans, 2025–2030

    U.S. Department of Health and Human Services and U.S. Department of Agriculture · January 2026 · Regulator

    “Limit foods and beverages that include artificial flavors, petroleum-based dyes, artificial preservatives, and low-calorie non-nutritive sweeteners.”

    cdn.realfood.gov

  3. Added and free sugars should be as low as possible

    European Food Safety Authority · Feb 28, 2022 · Agency assessment

    “Sugar consumption is a known cause of dental caries.”

    efsa.europa.eu

  4. Re-evaluation of the traditional diet-heart hypothesis: analysis of recovered data from Minnesota Coronary Experiment (1968-73)

    BMJ · Apr 12, 2016 · Peer-reviewed

    “replacement of saturated fat in the diet with linoleic acid effectively lowers serum cholesterol but does not support the hypothesis that this translates to a lower risk of death from coronary heart disease or all causes.”

    doi.org

  5. Use of dietary linoleic acid for secondary prevention of coronary heart disease and death: evaluation of recovered data from the Sydney Diet Heart Study and updated meta-analysis

    BMJ · Feb 4, 2013 · Peer-reviewed

    doi.org

  6. Dietary Linoleic Acid and Risk of Coronary Heart Disease: A Systematic Review and Meta-Analysis of Prospective Cohort Studies

    Circulation · Oct 28, 2014 · Peer-reviewed

    “These data provide support for current recommendations to replace saturated fat with polyunsaturated fat for primary prevention of CHD.”

    doi.org

  7. Dietary Fats and Cardiovascular Disease: A Presidential Advisory From the American Heart Association

    Circulation · Jul 18, 2017 · Peer-reviewed

    doi.org

  8. Saturated fatty acid and trans-fatty acid intake for adults and children: WHO guideline

    World Health Organization · Jul 17, 2023 · Agency assessment

    “WHO recommends that adults and children reduce saturated fatty acid intake to 10% of total energy intake (strong recommendation).”

    who.int

  9. Process contaminants in vegetable oils and foods

    European Food Safety Authority · May 3, 2016 · Agency assessment

    “The highest levels of GE, as well as 3-MCPD and 2-MCPD (including esters) were found in palm oils and palm fats, followed by other oils and fats.”

    efsa.europa.eu

  10. Commission Regulation (EU) 2023/915 of 25 April 2023 on maximum levels for certain contaminants in food

    European Union (Official Journal) · Apr 25, 2023 · Law

    “Glycidyl fatty acid esters, expressed as glycidol”

    eur-lex.europa.eu

  11. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  12. 21 CFR 172.515 Synthetic flavoring substances and adjuvants

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Oct 9, 2017 · Law

    ecfr.gov

  13. Guide to creating a front of pack (FoP) nutrition label for pre-packed products sold through retail outlets

    Department of Health and Social Care / Food Standards Agency (GOV.UK) · Nov 8, 2016 · Regulator

    “Table 3: Criteria for drinks (per 100ml)”

    assets.publishing.service.gov.uk

  14. Ultra-processed food exposure and adverse health outcomes: umbrella review of epidemiological meta-analyses

    BMJ · Feb 28, 2024 · Peer-reviewed

    “Greater exposure to ultra-processed food was associated with a higher risk of adverse health outcomes, especially cardiometabolic, common mental disorder, and mortality outcomes.”

    doi.org

  15. Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain: An Inpatient Randomized Controlled Trial of Ad Libitum Food Intake

    Cell Metabolism · July 2019 · Peer-reviewed

    doi.org