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Last verified: 17 days ago

Mushroom Extract

Also known as: fungal extract, medicinal mushroom, Lentinula edodes, Agaricus blazei Murill, Inonotus obliquus, Flammulina velutipes, Pleurotus cornucopiae, Hypsizygus ulmarius, shiitake extract, chaga extract, enoki extract, oyster mushroom extract, AndoSan, beta-glucan mushroom extract

Evidence under review. — Not yet rated

Broad category of fungi extracts with early evidence for gut, immune, and hormonal support — but results are mixed.

What it does

Mushroom extract is a broad term covering extracts from dozens of edible and medicinal fungi, each with different active compounds. Clinical trials suggest some species may modestly support gut...
Evidence quality

Evidence base hasn't been formally rated yet. See research below.
Clinical dose

No established dose — varies widely by mushroom species and target outcome
Found in

RYZE Mushroom Coffee, WonderGreens Veggie Gummies, Sunday Scaries and 16 more

See full breakdown ↓ Methodology →

What the Science Says

Mushroom extract is a broad term covering extracts from dozens of edible and medicinal fungi, each with different active compounds. Clinical trials suggest some species may modestly support gut microbiota diversity, reduce inflammatory symptoms in digestive conditions, and improve certain hormonal markers in aging men. Most human evidence is preliminary, with small studies and inconsistent results across species.

What It Doesn't Do

Not proven to lower cholesterol in humans — a clinical trial found no significant effect. Not a cancer treatment — lab and animal studies don't translate to human therapy. 'Immune boosting' is vague marketing; no large human trials confirm broad immune enhancement. Don't assume one mushroom species' benefits apply to all mushroom extracts.

Evidence-Based Benefits

Shiitake beta-glucan extract shifts gut microbiota composition in adults with mild high cholesterol.

Weak Evidence

Effective at: 3.5 g/day beta-glucans (from 10.4 g/day enriched mixture)

Supporting studies (click to view on PubMed):

PMID 33580297

Agaricus blazei mushroom extract may reduce symptom scores in Crohn's disease patients over 21 days.

Weak Evidence

Effective at: No established dose from provided data

Supporting studies (click to view on PubMed):

PMID 27415795

Enoki mushroom extract improved sexual symptom scores and testosterone levels in middle-aged men over 12 weeks.

Weak Evidence

Effective at: No established dose from provided data

Supporting studies (click to view on PubMed):

PMID 40218966

Agaricus blazei mushroom extract (AndoSan) modulates pro-inflammatory cytokine levels in humans.

Weak Evidence

Effective at: No established dose from provided data

Supporting studies (click to view on PubMed):

PMID 27588816 PMID 27415795

Absorption & Bioavailability

Unknown — varies significantly by species, extraction method, and active compound (e.g., beta-glucans, adenosine, polysaccharides). No pharmacokinetic data provided in the reviewed studies.

Red Flags to Watch For

The term 'mushroom extract' covers hundreds of species — always check which specific mushroom and active compound is in your product.
Most exciting findings (cancer, neuroprotection, atopic dermatitis) come from lab or animal studies, not human trials.
Several studies had no significant difference between treatment and placebo groups despite within-group improvements.
Psilocybin-containing 'psychedelic mushroom extracts' are a legally distinct and controlled category — do not confuse with dietary supplements.
Products with 1,000+ registered formulations on NIH DSLD suggest wide variability in quality, dose, and species — standardization is poor across the market.

Supplement

Overhyped

Everyday Dose

Supplement

Mostly Legit

View all product reviews →

Frequently Asked Questions

What does Mushroom Extract do?

Broad category of fungi extracts with early evidence for gut, immune, and hormonal support — but results are mixed.

What is the effective dose of Mushroom Extract?

No established dose — varies widely by mushroom species and target outcome

Is Mushroom Extract safe?

The term 'mushroom extract' covers hundreds of species — always check which specific mushroom and active compound is in your product.

What doesn't Mushroom Extract do?

Not proven to lower cholesterol in humans — a clinical trial found no significant effect.

Research Sources

PubMed
NIH DSLD

This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25