GoodSwap Get notified
Duke's Light Mayonnaise
Photo: Open Food Facts contributors (CC BY-SA)

Light mayonnaises

Duke's Light Mayonnaise

18 fl oz/531 L

Poor out of 100 Medium confidence
  • Ultra-processed
  • High in salt
  • Contains added sugars
  • Contains seed oils
  • No synthetic dyes
Get GoodSwap

Why it scores 36

Duke's Light Mayonnaise scores 36 out of 100 (Poor) under GoodSwap’s published rules. What moved the score most:

  1. Sugar: An added sugar. Strong
  2. Ultra-processed (NOVA 4): Classified NOVA 4: made with industrial ingredients and additives. Strong
  3. 5 kinds of ultra-processing markers: Industrial additive classes found: color (added), flavoring, modified starch, sequestrant and thickener, stabilizer or gelling agent. Emerging

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

Better mayonnaise

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

The Receipt

Light Mayonnaise

START100

Ingredients

  • Sugar
    Strong An added sugar. [1][2][3]
  • Canola oil
    Emerging High in omega-6 linoleic acid. [4][5][6][7]
  • Soybean oil
    Emerging High in omega-6 linoleic acid. [4][5][6][7]
  • Modified starch
    Info An additive class typical of ultra-processed foods (NOVA group 4). [8]
  • Xanthan gum
    Info An ingredient class typical of ultra-processed foods (NOVA group 4). [8]
  • Potassium sorbate
    Strong EFSA (2019) set a group ADI of 11 mg/kg body weight (as sorbic acid); generally recognized as safe in the US. [9][10]
  • Natural flavors
    Info "Natural flavor" is a legal category (21 CFR 101.22(a)(3)): flavor substances from spices, fruits, vegetables, meat, dairy or fermentation. [11][8]
  • Calcium disodium EDTA
    Info An ingredient class typical of ultra-processed foods (NOVA group 4). [8]
subtotal−30.5

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [8]
  • 5 kinds of ultra-processing markers
    Emerging Industrial additive classes found: color (added), flavoring, modified starch, sequestrant and thickener, stabilizer or gelling agent. [8]
subtotal−24

Nutrition per 100 g

  • Saturated fat 3.3 g / 100 g
    Strong High in saturated fat. [12]
  • Salt 1.8 g / 100 g
    Strong High in salt. [13]
  • Energy 333 kcal / 100 g
    Info Energy-dense for its weight. [2]
subtotal−10
TOTAL 36Poor

100 − 64.5 = 35.5 → 36

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

Can’t score above 79. High in fat and salt (above the front-of-pack "high" level). [14]

GTIN 00052500067670 · 2026-07-21

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy333 kcal
Fat33.3 g
Saturated fat3.3 g
Trans fat0 g
Carbohydrates6.7 g
Sugars0 g
Added sugars0.4 g
Fiber0 g
Protein0 g
Salt1.8 g

Serving: 1 Tbsp (15 g)

Ingredients

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

WATER, OLIVE OIL, CANOLA OIL, SOYBEAN OIL, MODIFIED FOOD STARCH, EGG YOLKS, DISTILLED AND CIDER VINEGAR, SUGAR, SALT, LEMON JUICE, SPICE, XANTHAN GUM, POTASSIUM SORBATE (PRESERVATIVE), D,L, ALPHA TOCOPHEROL ACETATE (VITAMIN E), BETA CAROTENE (COLOR), NATURAL FLAVORS, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR.

Allergens and diets

Contains: Soy, Egg

  • Not vegan
  • Palm-oil-free

Always check the package: recipes change.

Healthiest light mayonnaises in the US

More from Duke's

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

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  9. Opinion on the follow-up of the re-evaluation of sorbic acid (E200) and potassium sorbate (E202) as food additives

    European Food Safety Authority · Mar 1, 2019 · Agency assessment

    “By applying a default uncertainty factor of 100, the Panel established a group ADI expressed as 11 mg sorbic acid/kg bw per day for sorbic acid (E 200) and its potassium salt (E 202).”

    doi.org

  10. 21 CFR 182.3640 Potassium sorbate

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Nov 22, 2016 · Law

    ecfr.gov

  11. 21 CFR 101.22 Foods; labeling of spices, flavorings, colorings and chemical preservatives

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Dec 19, 2016 · Law

    “whose significant function in food is flavoring rather than nutritional.”

    ecfr.gov

  12. 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

  13. Sodium reduction (fact sheet)

    World Health Organization · May 11, 2026 · Agency assessment

    “For adults, WHO recommends less than 2000 mg/day of sodium (equivalent to less than 5 g/day salt), or just under a teaspoon.”

    who.int

  14. 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

  15. 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

  16. 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