Dr. Mercola Organic Chaga Mushroom supplement bottle
Dr. Mercola

Organic Chaga Mushroom Review

What We Researched
3 active ingredients analyzed · 9 inactive ingredients decoded · 6 brand certifications checked · Last updated: Aug 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
Total Carbohydrates 1 g 1%
Chaga Mushroom Blend 500 mg †
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Chaga Mushroom Blend Good
Other Ingredients Excellent

Fillers & Additives

  • Gum Acacia
  • Tapioca Dextrose
  • Sunflower Lecithin
  • Insulin
  • Tapioca Maltodextrin
  • Sunflower Lecithin
  • Palm Oil
  • Guar Gum
  • Carnauba Wax
Efficacy Excellent

Dosage Analysis

  • Chaga Mushroom Blend 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 5 kcal
Total Carbohydrates 1 g 1%
Chaga Mushroom Blend 500 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gum Acacia Safe

It is used as a thickener, binder, or emulsifier.

Tapioca Dextrose Unknown
Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Insulin Unknown
Tapioca Maltodextrin Generally_safe

It is used as a filler or binder.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Palm Oil Generally_safe

Used as a carrier for fat-soluble ingredients.

Guar Gum Safe

Thickens and provides fiber in supplement formulations.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Brand Trust Report
Dr. Mercola

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

Certifications

6 certifications
Consumerlab Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source
NSF Certified for Sport Verified
NSF Contents Certified Verified

Transparency

3 claims
Third Party Testing Claim — Verified Source
Contains Proprietary Blend — True

Violation History

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

Dr. Mercola Organic Chaga Mushroom 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 3 active ingredients with 30 servings per container. Of the 9 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Dr. Mercola, holds a brand trust score of 86/100 with 6 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections.

What are the ingredients in Dr. Mercola Organic Chaga Mushroom?

Dr. Mercola Organic Chaga Mushroom contains 3 active ingredients: Calories (5 kcal), Total Carbohydrates (1 g), Chaga Mushroom Blend (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Dr. Mercola Organic Chaga Mushroom safe to take?

Dr. Mercola Organic Chaga Mushroom 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.

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. They hold 6 verified certifications including Consumerlab, Nsf Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. 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.