Mushroom Wisdom Maitake D-Fraction®, Standard, 360 Capsules supplement bottle
Mushroom Wisdom

Maitake D-Fraction®, Standard, 360 Capsules

What We Researched
3 active ingredients analyzed · 4 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
70
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Maitake (Grifola frondosa) Fruiting Body Powder 600 mg
Maitake Fruiting Body Extract, PD-Fraction®, Standardized to D-fraction (proteoglucan) 40 mg
Vitamin C (Ascorbic acid) 40 mg 45%
Bioavailability Very Good

Absorption Rating

  • Maitake (Grifola frondosa) Fruiting Body Powder Good
  • Maitake Fruiting Body Extract, PD-Fraction®, Standardized to D-fraction (proteoglucan) Good
  • Vitamin C (Ascorbic acid) Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Microcrystalline Cellulose
  • Dicalcium Phosphate
  • Silicon Dioxide
Efficacy Very Poor

Dosage Analysis

  • Maitake (Grifola frondosa) Fruiting Body Powder 600 mg Under-dosed
  • Maitake Fruiting Body Extract, PD-Fraction®, Standardized to D-fraction (proteoglucan) 40 mg Under-dosed
  • Vitamin C (Ascorbic acid) 40 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Maitake (Grifola frondosa) Fruiting Body Powder 600 mg
Maitake Fruiting Body Extract, PD-Fraction®, Standardized to D-fraction (proteoglucan) 40 mg
Vitamin C (Ascorbic acid) 40 mg 45%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$78$77$76$75$74 Mar 12 $76.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Mushroom Wisdom

Founded 1991 · East Rutherford, NJ, United States · 18 products · mushroomwisdom.com/

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Lawsuit Fraud or Truth-In-Lending2016Source
Fda Warning Promoting products as drugs and failure to comply with cGMP.2012-10-18Source
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Frequently Asked Questions
Is Mushroom Wisdom Maitake D-Fraction®, Standard a good supplement?

Mushroom Wisdom Maitake D-Fraction®, Standard, 360 Capsules received a product quality score of 70/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 90 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Mushroom Wisdom, holds a brand trust score of 62/100.

What are the ingredients in Mushroom Wisdom Maitake D-Fraction®, Standard?

Mushroom Wisdom Maitake D-Fraction®, Standard contains 3 active ingredients: Maitake (Grifola frondosa) Fruiting Body Powder (600 mg), Maitake Fruiting Body Extract, PD-Fraction®, Standardized to D-fraction (proteoglucan) (40 mg), Vitamin C (Ascorbic acid) (40 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mushroom Wisdom Maitake D-Fraction®, Standard safe to take?

Mushroom Wisdom Maitake D-Fraction®, Standard, 360 Capsules has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Mushroom Wisdom a trustworthy supplement brand?

Mushroom Wisdom receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in East Rutherford, NJ, United States, the company offers 18 products in their lineup. Note: Mushroom Wisdom has 2 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. 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.