Metamucil 4-in-1 Fiber Psyllium Fiber Supplement supplement bottle
Metamucil

4-in-1 Fiber Psyllium Fiber Supplement

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 1 brand certification checked · Last updated: Mar 2026
50
Product Score Poor

Product Analysis

Transparency Very Poor

Supplement Facts

IngredientAmount% DV
Psyllium Fiber
Bioavailability Excellent

Absorption Rating

  • Psyllium Fiber Good
Other Ingredients Good

Fillers & Additives

  • Maltodextrin
  • Citric Acid
  • natural and artificial orange flavor
  • aspartame
  • Yellow 6 High
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Psyllium Fiber

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

natural and artificial orange flavor Unknown
aspartame Unknown
Yellow 6 Avoid

Adds orange-yellow color to supplements.

Brand Trust Report
Metamucil

Founded 1934 · Cincinnati, Ohio, USA · 16 products · metamucil.com/

Certifications

1 certification
Consumerlab Verified Source

Transparency

1 claim

Violation History

4 incidents
Recall Metamucil Capsule products (specifics not fully detailed in the notice)2024-02-01Source
Prop 65 Lead2023-08-02Source
Lawsuit Products contain dangerous levels of lead and are falsely advertised as safe and healthy.2023Source
Lawsuit Products with added sugar are falsely marketed with health benefits related to blood sugar, appetite control, and digestive health.2022Source
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Frequently Asked Questions
Is Metamucil 4-in-1 Fiber Psyllium Fiber Supplement a good supplement?

Metamucil 4-in-1 Fiber Psyllium Fiber Supplement received a product quality score of 50/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 1 active ingredients Of the 5 inactive ingredients, 1 are rated safe and 0 are flagged for review.

What are the ingredients in Metamucil 4-in-1 Fiber Psyllium Fiber Supplement?

Metamucil 4-in-1 Fiber Psyllium Fiber Supplement contains 1 active ingredients: Psyllium Fiber. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metamucil 4-in-1 Fiber Psyllium Fiber Supplement safe to take?

Metamucil 4-in-1 Fiber Psyllium Fiber Supplement has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.