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Mug Root Beer
Photo: Open Food Facts contributors (CC BY-SA)

Root beers

Mug Root Beer

12 fl oz (355 mL)

Bad out of 100 High confidence
  • Ultra-processed
  • High in sugar
  • Contains added sugars
  • Contains artificial flavors
  • No synthetic dyes
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Why it scores 10

Mug Root Beer scores 10 out of 100 (Bad) under GoodSwap’s published rules. What moved the score most:

  1. High fructose corn syrup: An added sugar. Strong
  2. Caramel color: The FDA says classes III and IV, which can contain 4-MEI, are the most commonly used food color additives by volume. Regulatory
  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 sodas

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

The Receipt

Mug Root Beer

START100

Ingredients

  • High fructose corn syrup
    Strong An added sugar. [1][2][3][4]
  • Caramel color
    Regulatory The FDA says classes III and IV, which can contain 4-MEI, are the most commonly used food color additives by volume. [5][6][7][8]
  • Sodium benzoate
    Strong Benzoates can form small amounts of benzene in drinks that also contain ascorbic acid (vitamin C), especially with heat or light. [9][10][11]
  • Natural and artificial flavors
    Strong The label does not disclose which flavoring substances are used. [12][2]
  • Calcium disodium EDTA
    Info An ingredient class typical of ultra-processed foods (NOVA group 4). [13]
subtotal−50

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [13]
  • 4 kinds of ultra-processing markers
    Emerging Industrial additive classes found: color (added), flavoring, industrial sugar or starch hydrolysate and sequestrant. [13]
subtotal−22.5

Nutrition per 100 ml

  • Sugars 12.1 g / 100 ml
    Strong Very high in sugar. [1]
  • Energy 45 kcal / 100 ml
    Info Energy-dense for its volume. [2]
subtotal−18
TOTAL 10Bad

100 − 90.5 = 9.5 → 10

Can’t score above 79. Contains high fructose corn syrup, an ingredient of high concern. [1][2][3][4][5][6][7][8]

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

GTIN 00012000008993 · 2026-03-26

score v1.3.0 · kb 2026.10.11

High confidence

Same product, same score. Every time.

Nutrition per 100 ml

Energy45 kcal
Fat0 g
Saturated fat0 g
Carbohydrates12.1 g
Sugars12.1 g
Fiber0 g
Protein0 g
Salt0.1 g

Serving: 340g

Ingredients

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

Carbonated Water, High Fructose Corn Syrup, Caramel Color, Sodium Benzoate, Citric Acid, Natural and Artificial Flavors, Calcium Disodium EDTA, Quillaia Extract.

Allergens and diets

  • Palm-oil-free

Always check the package: recipes change.

Packaging

Metal

Context only: no points in v1.

Healthiest root beers in the US

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. 21 CFR 184.1866 High fructose corn syrup

    Electronic Code of Federal Regulations (eCFR), U.S. Office of the Federal Register · Mar 24, 2023 · Law

    “a sweet, nutritive saccharide mixture containing either approximately 42 or 55 percent fructose”

    ecfr.gov

  5. Questions & Answers About 4-MEI

    U.S. Food and Drug Administration · Mar 27, 2020 · Regulator

    “Based on current science, the FDA has no reason to believe that there are any immediate or short-term health risks presented by 4-MEI at the levels expected in food.”

    fda.gov

  6. Agents Classified by the IARC Monographs, Volumes 1–142 (List of Classifications)

    International Agency for Research on Cancer (WHO) · IARC

    monographs.iarc.who.int

  7. Caramel Color in Soft Drinks and Exposure to 4-Methylimidazole: A Quantitative Risk Assessment

    PLOS ONE · Feb 18, 2015 · Peer-reviewed

    doi.org

  8. Proposition 65 List of Chemicals Known to the State to Cause Cancer or Reproductive Toxicity

    California Office of Environmental Health Hazard Assessment (OEHHA) · Jul 31, 2026 · Law

    “The date refers to the initial appearance of the chemical on the list.”

    oehha.ca.gov

  9. Benzene production from decarboxylation of benzoic acid in the presence of ascorbic acid and a transition-metal catalyst

    Journal of Agricultural and Food Chemistry · May 1993 · Peer-reviewed

    doi.org

  10. Food additives and hyperactive behaviour in 3-year-old and 8/9-year-old children in the community: a randomised, double-blinded, placebo-controlled trial

    The Lancet · November 2007 · Peer-reviewed

    “Artificial colours or a sodium benzoate preservative (or both) in the diet result in increased hyperactivity in 3-year-old and 8/9-year-old children in the general population.”

    doi.org

  11. Re-evaluation of benzyl alcohol (E 1519) as food additive (records the 2016 benzoate re-evaluation)

    European Food Safety Authority · Oct 30, 2019 · Agency assessment

    “derived a group ADI of 5 mg/kg bw per day (expressed as benzoic acid) in accordance with the ADI previously derived by SCF and JECFA”

    doi.org

  12. 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

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

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  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