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Kirkland Signature Chocolate Peanut Butter Chunk
Photo: Open Food Facts contributors (CC BY-SA)

Protein bars

Kirkland Signature Chocolate Peanut Butter Chunk

60 g

Okay out of 100 Medium confidence
  • Ultra-processed
  • Contains non-nutritive sweeteners
  • Contains sugar alcohols
  • Seed-oil free
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Why it scores 56

Kirkland Signature Chocolate Peanut Butter Chunk scores 56 out of 100 (Okay) under GoodSwap’s published rules. What moved the score most:

  1. Ultra-processed (NOVA 4): Classified NOVA 4: made with industrial ingredients and additives. Strong
  2. Erythritol: A 2023 study linked higher blood erythritol to cardiovascular events and found it increased clotting activity; long-term safety studies are warranted. Strong
  3. 6 kinds of ultra-processing markers: Industrial additive classes found: bulking agent, emulsifier, flavoring, industrial protein, non-nutritive sweetener and sugar alcohol (polyol). Emerging

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

Chocolate Peanut Butter Chunk

START100

Ingredients

  • Erythritol
    Strong A 2023 study linked higher blood erythritol to cardiovascular events and found it increased clotting activity; long-term safety studies are warranted. [1][2]
  • Protein blend (unspecified)
    Info An ingredient typical of ultra-processed foods (NOVA group 4). [3]
  • Milk protein concentrate / isolate
    Info An ingredient typical of ultra-processed foods (NOVA group 4). [3]
  • Whey protein concentrate / isolate
    Info An ingredient typical of ultra-processed foods (NOVA group 4). [3]
  • Soluble corn fiber (resistant dextrin)
    Info An additive class typical of ultra-processed foods (NOVA group 4). [3]
  • 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. [4][3]
  • Sunflower lecithin
    Info An additive class typical of ultra-processed foods (NOVA group 4). [3]
  • Stevia (steviol glycosides)
    Emerging WHO (2023) recommends against using non-sugar sweeteners to control body weight (conditional recommendation); US dietary guidelines advise limiting them. [5][6]
subtotal−18

Processing

  • Ultra-processed (NOVA 4)
    Strong Classified NOVA 4: made with industrial ingredients and additives. [3]
  • 6 kinds of ultra-processing markers
    Emerging Industrial additive classes found: bulking agent, emulsifier, flavoring, industrial protein, non-nutritive sweetener and sugar alcohol (polyol). [3]
subtotal−25.5

Nutrition per 100 g

  • Sugars 8.3 g / 100 g
    Strong Contains some sugar. [7]
  • Saturated fat 3.3 g / 100 g
    Strong High in saturated fat. [8]
  • Energy 210 kcal / 100 g
    Info Energy-dense for its weight. [6]
  • Fiber 10 g / 100 g
    Strong A good source of fiber. [6]
  • Protein 22 g / 100 g
    Info A good source of protein. [6]
subtotal−1
TOTAL 56Okay

100 − 44.5 = 55.5 → 56

GTIN 00096619356089 · 2026-10-10

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy210 kcal
Fat11.7 g
Saturated fat3.3 g
Trans fat0 g
Carbohydrates38.3 g
Sugars8.3 g
Added sugars3.3 g
Fiber10 g
Protein22 g
Salt0 g

Serving: 1 bar (60 g)

Ingredients

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

Protein blend (milk protein isolate, whey protein isolate), soluble corn fiber, peanut butter (peanuts), isomalto-oligosaccharides (vegetable source), erythritol, peanut flour, natural flavors, water, cocoa butter, peanuts, cocoa powder (processed with alkali), sea salt, sunflower lecithin, unsweetened chocolate, steviol glycosides (stevia).

Allergens and diets

Contains: Milk, Peanuts

May contain: Tree nuts, Soy, Gluten, Egg

  • Not vegan
  • Palm-oil-free

Always check the package: recipes change.

Packaging

Plastic

Context only: no points in v1.

Healthiest protein bars in the US

More from Kirkland Signature

Sources

  1. The artificial sweetener erythritol and cardiovascular event risk

    Nature Medicine · March 2023 · Peer-reviewed

    “Our findings reveal that erythritol is both associated with incident MACE risk and fosters enhanced thrombosis. Studies assessing the long-term safety of erythritol are warranted.”

    doi.org

  2. Re-evaluation of erythritol (E 968) as a food additive (plain language summary)

    European Food Safety Authority · Dec 20, 2023 · Agency assessment

    “In all groups of people, both acute and chronic exposure to erythritol is above the newly set ADI.”

    efsa.europa.eu

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

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  4. 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

  5. WHO advises not to use non-sugar sweeteners for weight control in newly released guideline

    World Health Organization · May 15, 2023 · Agency assessment

    “The recommendation is based on the findings of a systematic review of the available evidence which suggests that use of NSS does not confer any long-term benefit in reducing body fat in adults or children.”

    who.int

  6. 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

  7. 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

  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. 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

  10. 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

  11. Regulation (EU) No 1169/2011, Annex III point 2.4 (foods with more than 10 % added polyols)

    European Union (Official Journal) · Oct 25, 2011 · Law

    “‘excessive consumption may produce laxative effects’.”

    eur-lex.europa.eu

  12. 21 CFR 184.1835 Sorbitol

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

    ““Excess consumption may have a laxative effect.””

    ecfr.gov