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Swanson

Reishi Mushroom Extract 500 mg

1 Capsule × 2/day · 90 servings

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What it does

Reishi mushroom

Form not confirmedGrade —

Studied for immune function and fatigue; benefits remain uncertain and vary by preparation and population.

Immune
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Ingredients (1)

IngredientDoseTarget/referenceForm

Other ingredients

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Lab testing

How to take it

With or without food
Split into 2 doses across the day

On the label

As a dietary supplement, take one capsule two to three times per day with water.

Price check

$14.71

$0.16 / serving

$20$50

Cheaper than 95% of 30 reishi mushroom supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.

Not medical advice. Consult your healthcare professional.

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