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Fomitopsis officinalis

Agarikon

Research reviewed: Up until 03/2026

Agarikon (Fomitopsis officinalis) is a dietary supplement with 4 published peer-reviewed studies involving 650 participants, researched for Antiviral & Immune.

4
Studies
650
Participants
2009–2019
Research Span

Evidence at a Glance

Strength is scored by study design, sample size, study type, and outcomes

Overall: Moderate Evidence

Antiviral & Immune

Moderate
4 studies 0 of 4 positive 264 participants 1 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

0/4
Randomised
0/4
Double-Blind
0/4
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2011)
0
Study 2 (2014)
0
Study 3 (2009)
264
Study 4 (2019)
0

Research Timeline

When the studies were published

1
2009
1
2011
1
2014
1
2019

All Studies

Detailed breakdown of each trial. Click to expand.

Antiviral & Immune

1

To screen medicinal mushroom extracts for antiviral activity against influenza and herpes.

2011 ? participants N/A Various concentrations of mycelium extracts
In Vitro Positive

Study Type

Laboratory study - in vitro antiviral

Purpose

To screen medicinal mushroom extracts for antiviral activity against influenza and herpes.

Dose

Various concentrations of mycelium extracts

Participants

Cell line models

Duration

N/A

Results

Fomitopsis officinalis mycelium extracts showed significant antiviral activity against influenza A, influenza B, and herpes simplex viruses. Also active against poxvirus strains.

How They Measured It

Plaque reduction assay, viral cytopathic effect inhibition

Read full study
2

To review antiviral properties of medicinal mushrooms including Agarikon.

2014 ? participants N/A N/A - review
Human Study Mixed

Study Type

Review - pharmacological and ethnobotanical

Purpose

To review antiviral properties of medicinal mushrooms including Agarikon.

Dose

N/A - review

Participants

Review of multiple studies

Duration

N/A

Results

Confirms antiviral activity of agarikon extracts. Historical use for respiratory infections documented. Lanostane-type triterpenes identified as key antiviral compounds with immunomodulatory properties.

How They Measured It

Literature review of in vitro and in vivo antiviral studies

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3

To characterize anti-inflammatory triterpenes from Fomitopsis officinalis.

2009 264 participants N/A Isolated lanostane triterpenes at various concentrations
In Vitro Positive

Study Type

In vitro study

Purpose

To characterize anti-inflammatory triterpenes from Fomitopsis officinalis.

Dose

Isolated lanostane triterpenes at various concentrations

Participants

RAW264.7 macrophage cell line

Duration

N/A

Results

Lanostane triterpenes from agarikon significantly inhibit NF-kB activation and reduce inflammatory prostaglandin and cytokine production.

How They Measured It

NF-kB activation, prostaglandin E2 production, cytokine quantification

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4

To study immunomodulatory polysaccharides from Fomitopsis officinalis.

2019 ? participants N/A Polysaccharide fractions at 25-200 ug/mL
In Vitro Positive

Study Type

In vitro study

Purpose

To study immunomodulatory polysaccharides from Fomitopsis officinalis.

Dose

Polysaccharide fractions at 25-200 ug/mL

Participants

Macrophage cell models

Duration

N/A

Results

Isolated polysaccharides significantly activate macrophages and stimulate cytokine production via TLR4 pathway activation, supporting innate immune enhancement.

How They Measured It

Macrophage activation, TNF-alpha, IL-6, IL-1beta production

Read full study

Frequently Asked Questions

Common questions about Agarikon research

What does the research say about Agarikon?

There are currently 22 peer-reviewed studies on Agarikon (Fomitopsis officinalis), involving 650 total participants. Research covers Immune support, Antiviral protection, Respiratory health and 1 more areas. The overall evidence strength is rated as Moderate.

How strong is the evidence for Agarikon?

The evidence is currently rated as "Moderate Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (1 human study), and reported outcomes.

What health goals has Agarikon been studied for?

Agarikon has been researched for: Immune support, Antiviral protection, Respiratory health, Anti-inflammatory. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Agarikon based on human trials?

Yes, 1 out of 22 studies are human trials. Human trials carry more weight in our evidence scoring system.