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Kirkland Signature Psyllium Fiber Sugar-Free Powder
Photo: Open Food Facts contributors (CC BY-SA)

Dietary supplements

Kirkland Signature Psyllium Fiber Sugar-Free Powder

36.8 oz

Good out of 100 Medium confidence
  • Dye with an EU warning label
  • Contains synthetic dyes
  • Contains non-nutritive sweeteners
  • Contains artificial flavors
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Why it scores 74

Kirkland Signature Psyllium Fiber Sugar-Free Powder scores 74 out of 100 (Good) under GoodSwap’s published rules. What moved the score most:

  1. Aspartame: Labels must warn people with phenylketonuria (PKU) because aspartame contains phenylalanine (US and EU). Regulatory
  2. Yellow 6: In the EU and UK, foods with this color must state that it "may have an adverse effect on activity and attention in children". Regulatory
  3. Maltodextrin: An additive class typical of ultra-processed foods (NOVA group 4). Info

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

The Receipt

Psyllium Fiber Sugar-Free Powder

START100

Ingredients

  • Aspartame
    Regulatory Labels must warn people with phenylketonuria (PKU) because aspartame contains phenylalanine (US and EU). [1][2][3][4][5][6][7][8][9]
  • Yellow 6
    Regulatory In the EU and UK, foods with this color must state that it "may have an adverse effect on activity and attention in children". [10][11][12][13][14]
  • Maltodextrin
    Info An additive class typical of ultra-processed foods (NOVA group 4). [15]
  • Natural and artificial flavors
    Strong The label does not disclose which flavoring substances are used. [16][9]
  • Silicon dioxide
    Info An additive class typical of ultra-processed foods (NOVA group 4). [15]
subtotal−26
TOTAL 74Good

100 − 26 = 74

GTIN 00096619929580 · 2026-08-15

score v1.3.0 · kb 2026.10.11

Medium confidence

Same product, same score. Every time.

Nutrition per 100 g

Energy30 kcal
Added sugars0 g
Fiber6 g
Salt0 g

Serving: 11.6g

Ingredients

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

Psyllium Husk, Maltodextrin, Citric Acid, Natural and Artificial Orange Flavor, Silica, Aspartame, FD&C Yellow No. 6.

Allergens and diets

  • Palm-oil-free

Always check the package: recipes change.

More from Kirkland Signature

Sources

  1. 21 CFR 172.804 Aspartame

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

    “PHENYLKETONURICS: CONTAINS PHENYLALANINE”

    ecfr.gov

  2. Regulation (EU) No 1169/2011, Annex III point 2.3 (aspartame)

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

    “‘contains a source of phenylalanine’ shall appear on the label in cases where aspartame/aspartame-acesulfame salt is designated in the list of ingredients by its specific name.”

    eur-lex.europa.eu

  3. Aspartame hazard and risk assessment results released (IARC, WHO and FAO joint news release)

    World Health Organization · Jul 14, 2023 · Agency assessment

    “Citing “limited evidence” for carcinogenicity in humans, IARC classified aspartame as possibly carcinogenic to humans (IARC Group 2B) and JECFA reaffirmed the acceptable daily intake of 40 mg/kg body weight.”

    who.int

  4. Carcinogenicity of aspartame, methyleugenol, and isoeugenol (IARC Monographs Vol. 134 working group summary)

    The Lancet Oncology · August 2023 · IARC

    doi.org

  5. Aspartame and Other Sweeteners in Food

    U.S. Food and Drug Administration · Feb 27, 2025 · Regulator

    “The FDA disagrees with IARC’s conclusion that these studies support classifying aspartame as a possible carcinogen to humans.”

    fda.gov

  6. EFSA completes full risk assessment on aspartame and concludes it is safe at current levels of exposure

    European Food Safety Authority · Dec 10, 2013 · Agency assessment

    “Aspartame and its breakdown products are safe for human consumption at current levels of exposure”

    efsa.europa.eu

  7. Artificial sweeteners and cancer risk: Results from the NutriNet-Santé population-based cohort study

    PLOS Medicine · Mar 24, 2022 · Peer-reviewed

    “In this large cohort study, artificial sweeteners (especially aspartame and acesulfame-K), which are used in many food and beverage brands worldwide, were associated with increased cancer risk.”

    doi.org

  8. 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

  9. 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

  10. Regulation (EC) No 1333/2008 of 16 December 2008 on food additives

    European Union (Official Journal) · Dec 16, 2008 · Law

    “may have an adverse effect on activity and attention in children.”

    eur-lex.europa.eu

  11. Regulation (EC) No 1333/2008 (as it applies in the UK), Annex V: food colours requiring additional labelling

    legislation.gov.uk (The National Archives) · Law

    “may have an adverse effect on activity and attention in children.”

    legislation.gov.uk

  12. 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

  13. Tracking Food Industry Pledges to Remove Petroleum Based Food Dyes

    U.S. Food and Drug Administration · Regulator

    “FD&C Green No. 3, FD&C Red No. 40, FD&C Yellow No. 5, FD&C Yellow No. 6, FD&C Blue No. 1, and FD&C Blue No. 2—by the end of 2027.”

    fda.gov

  14. California AB 2316 (2024), Pupil nutrition: substances: prohibition

    California Legislative Information · Sep 28, 2024 · Law

    “beginning December 31, 2027, would prohibit a school district, county superintendent of schools, or charter school”

    leginfo.legislature.ca.gov

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

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org

  16. 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

  17. HHS, FDA to Phase Out Petroleum-Based Synthetic Dyes in Nation’s Food Supply (press release)

    U.S. Food and Drug Administration · Apr 22, 2025 · Regulator

    “Initiating the process to revoke authorization for two synthetic food colorings—Citrus Red No. 2 and Orange B—within the coming months.”

    fda.gov