BioStacks
Dr. Mercola

Organic Reishi Mushroom Extract

1 Capsule · 30 servings · $1.00/serving

iHerbAmazon

Best for

Immune

Ingredients (2)

Beta Glucans

50%

Dose

125 mg

Target

250–500 mg

Form

—

Organic Reishi Mushroom Fruitbody Extract

50%

Dose

500 mg

Target

1000–3000 mg

Form

—

Other Ingredients (5)

Rice ExtractFiller

Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.

Rice ExtractFiller

Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

PullulanCapsule

Polysaccharide produced by fungal fermentation, used as a vegan capsule material

Sunflower Seed OilCarrier

Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients

How to Take It

Take it anytime

Timing doesn't matter for this one — taking it consistently does.

With or without food

On the label

Adults, as a dietary supplement, take one (1) capsule daily.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$29.97

$20$50

Pricier than 85% of 30 reishi mushroom supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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