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Dr. Mercola Fermented Beta Glucans supplement bottle
Dr. Mercola

Fermented Beta Glucans Review

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 6 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
86
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Yeast Fermentate (from Saccharomyces cerevisiae) 500 mg *
Fermented Euglena (Euglena gracilis) AlgaeBeta Glucans (as β-1, 3-glucan) 400 mg200 mg **
Bioavailability Very Good

Absorption Rating

  • Yeast Fermentate (from Saccharomyces cerevisiae) Good
  • Fermented Euglena (Euglena gracilis) AlgaeBeta Glucans (as β-1, 3-glucan) Fair
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose
  • Organic Rice Hull
  • Rice Hulls
  • Vegetable Capsule
Efficacy Excellent

Dosage Analysis

  • Yeast Fermentate (from Saccharomyces cerevisiae) 500 mg Effective
  • Fermented Euglena (Euglena gracilis) AlgaeBeta Glucans (as β-1, 3-glucan) 400 mg200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Yeast Fermentate (from Saccharomyces cerevisiae) 500 mg *
Fermented Euglena (Euglena gracilis) AlgaeBeta Glucans (as β-1, 3-glucan) 400 mg200 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Organic Rice Hull Safe

It is used to improve powder flow during manufacturing.

Rice Hulls Generally_safe

It is used as a filler or flow agent.

Vegetable Capsule Safe

It is used as a vegetarian alternative to gelatin capsules.

Brand Trust Report
Dr. Mercola

Founded 1997 · Cape Coral, Florida, USA · 319 products · mercola.com/

Certifications

6 certifications
Consumerlab Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
NSF Certified for Sport Supporting evidence unavailable
NSF Contents Certified Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

8 incidents
Prop 65 Lead2025-04-18 Source available Primary source
Lawsuit Wrongful termination and breach of a severance contract by the former CEO.2024 Source available Primary source
Fda Warning Unapproved and misbranded products related to Coronavirus Disease 2019 (COVID-19).2021-02-18 Source available Primary source
Lawsuit False and unsupported claims that its indoor tanning systems are safe and do not increase the risk of skin cancer.2016 Source available Primary source
Fda Warning Illegal marketing of a medical device.2011-01-01 Source available Primary source
Fda Warning Illegal drug claims for various supplements.2006-01-01 Source available Primary source
Fda Warning Illegal drug claims for various supplements.2005-01-01 Source available Primary source
Fda Warning Letter FDA Warning Letter Source available Primary source
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Frequently Asked Questions
Is Dr. Mercola Fermented Beta Glucans a good supplement?

Dr. Mercola Fermented Beta Glucans received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Dr. Mercola, holds a brand trust score of 86/100.

What are the ingredients in Dr. Mercola Fermented Beta Glucans?

Dr. Mercola Fermented Beta Glucans contains 2 active ingredients: Yeast Fermentate (from Saccharomyces cerevisiae) (500 mg), Fermented Euglena (Euglena gracilis) AlgaeBeta Glucans (as β-1, 3-glucan) (400 mg200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Fermented Beta Glucans safe to take?

GoodSupp reviewed the inactive-ingredient data available for Dr. Mercola Fermented Beta Glucans. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Dr. Mercola a trustworthy supplement brand?

Dr. Mercola receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1997 and headquartered in Cape Coral, Florida, USA, the company offers 319 products in their lineup. Note: Dr. Mercola has 8 historical regulatory incidents on record, which are factored into the trust score.

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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 — read our methodology. 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.