What is Maitake extract?

Maitake extract is a concentrated supplement made from the Maitake mushroom (Grifola frondosa). It is typically standardized for beta-glucans and other polysaccharides.

What are the main benefits of Maitake extract?

It is most commonly used to support immune function and may also support metabolic markers such as blood sugar and lipids. Evidence ranges from traditional use to emerging preclinical and early human research.

What is a typical Maitake extract dosage?

Common supplemental amounts are around 1 to 1.5 g per day, depending on the product’s concentration and standardization. Follow the label and consider medical guidance for specific conditions.

Does Maitake extract help with cancer?

Some preclinical and early human studies suggest immune-modulating effects that may be relevant as an adjunct, but it is not a proven cancer treatment. It should not replace standard oncology care.

Who should be cautious with Maitake extract?

People using diabetes medications should monitor for additive blood sugar lowering, and those on immunosuppressants should consult a clinician due to immune effects. Stop use and seek advice if allergic reactions occur.

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Maitake Extract

Limited research available·3/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Maitake extract is a mushroom-derived supplement with immune-modulating, metabolic, and potential anticancer properties, supported by traditional use and emerging research.

Anti-inflammatory Cancer-inhibitor Antioxidant Immune Booster Skin Health Glucose Metabolism

dose range

1–1.5 g

Taken once or divided into two doses daily

Consumption

Take with food to enhance tolerance and absorption.

Not fat-soluble.

Best time

Commonly taken with meals.

Description

Maitake extract comes from the Maitake mushroom (Grifola frondosa), long used in Asian medicine. Its health effects are attributed mainly to its beta-glucans and polysaccharide content, which modulate immune and metabolic processes.

benefits

Main effects with level of evidence

Limited

Note on evidence

Human evidence is limited and largely based on small studies or preclinical research, although traditional and safety data are robust.

Supports Immune Function

Moderate

Beta-glucans and polysaccharides in Maitake extract help stimulate immune cells, such as macrophages and NK cells, potentially enhancing the body's resistance to infections.

Particularly relevant for: Immunocompromised individuals · General wellness · Aging adults

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S2 · WebMD - Maitake Mushroom S3 · MSKCC - Maitake S4 · PMC - Beta-glucans and immunity: State of the art

Potential Adjunct to Cancer Therapy

Limited

Preclinical and early human studies indicate Maitake extract may help induce cancer cell apoptosis and support immune function in cancer patients, but confirmatory trials are needed.

Particularly relevant for: Cancer patients (as adjunct)

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S3 · MSKCC - Maitake S4 · PMC - Beta-glucans and immunity: State of the art

May Aid Blood Sugar Regulation

Limited

Animal and preliminary human research suggest Maitake extract may help lower blood sugar and improve lipid profiles, making it a potential adjunct in glucose management.

Particularly relevant for: Individuals with metabolic syndrome · Diabetes (as adjunct)

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S5 · Drugs.com - Maitake

Provides Antioxidant and Anti-inflammatory Activity

Limited

Maitake extract contains compounds with antioxidant and anti-inflammatory effects, which may contribute to general health and skin support.

Particularly relevant for: General wellness · Individuals seeking skin health

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S2 · WebMD - Maitake Mushroom

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Maitake extract is generally well tolerated but may cause allergies, mild gastrointestinal upset, and interacts with certain medications.

warning notices

Rare allergic reactions—avoid use with mushroom allergy.
May cause mild GI symptoms such as nausea in some individuals.
Maitake may enhance the effects of some diabetes, blood pressure, and blood thinning drugs.
Avoid Maitake extract if you have a known mushroom allergy.
Use caution and monitor blood sugar if you are taking antidiabetic medications due to potential additive hypoglycemic effects.
Use only under medical supervision if you are taking anticoagulant/antiplatelet drugs such as warfarin due to potential increased bleeding risk.
Monitor blood pressure if you are taking antihypertensive medications as Maitake may enhance lowering effects.

Known interactions with medications

Antidiabetic drugs
Antihypertensive drugs
Anticoagulant/antiplatelet agents

Contraindications / special precautions

Known allergy to mushrooms or fungal products.

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Maitake extract can affect glucose and blood pressure regulation and has the potential to interact with medications for diabetes, blood pressure, and anticoagulation.

May enhance effects of antidiabetic drugs.

drug · antidiabetic medications

MonitorModerate

Why

Maitake extract has been shown to lower blood glucose, possibly leading to additive hypoglycemic effects when combined with antidiabetic drugs.

recommendation

Monitor blood glucose closely and adjust medications as needed under professional supervision.

S2 · WebMD - Maitake Mushroom S5 · Drugs.com - Maitake

May strengthen the effect of blood pressure-lowering medications.

drug · antihypertensive medications

MonitorLimited

Why

Maitake extract may reduce blood pressure, potentially increasing risk of hypotension when used with antihypertensive drugs.

recommendation

Monitor blood pressure and adjust medication as appropriate.

S2 · WebMD - Maitake Mushroom S5 · Drugs.com - Maitake

May increase bleeding risk with anticoagulant medications.

drug · warfarin and other anticoagulants

CautionLimited

Why

Maitake extract may have mild antiplatelet effects, potentially increasing bleeding risk with medications like warfarin.

recommendation

Use under medical supervision and monitor for bleeding signs.

S2 · WebMD - Maitake Mushroom S3 · MSKCC - Maitake

mechanisms of action

Brief explanations of how it works

Beta-Glucan Driven Immune Modulation

Beta-glucans interact with immune cells, activating macrophages, dendritic cells, and natural killer cells, promoting an enhanced immune response.

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S4 · PMC - Beta-glucans and immunity: State of the art

Polysaccharide Influence on Glucose Metabolism

Maitake polysaccharides may help regulate blood glucose by improving insulin sensitivity and reducing liver glucose output.

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S5 · Drugs.com - Maitake

Antioxidant Effects

Bioactive compounds in Maitake extract can scavenge free radicals and decrease oxidative stress.

S1 · PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)S2 · WebMD - Maitake Mushroom

Sources & References

Primary literature and reviews on which these statements are based

5 sources

PMC - Health benefits and pharmacological activities of Maitake (Grifola frondosa)

WebMD - Maitake Mushroom

MSKCC - Maitake

PMC - Beta-glucans and immunity: State of the art

Drugs.com - Maitake

Laatst bijgewerkt: 7 februari 2026

This information is for educational purposes only and does not replace medical advice.

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Maitake Extract

Description

benefits

Supports Immune Function

Potential Adjunct to Cancer Therapy

May Aid Blood Sugar Regulation

Provides Antioxidant and Anti-inflammatory Activity

Safety & Information

interactions

May enhance effects of antidiabetic drugs.

May strengthen the effect of blood pressure-lowering medications.

May increase bleeding risk with anticoagulant medications.

mechanisms of action

Beta-Glucan Driven Immune Modulation

Polysaccharide Influence on Glucose Metabolism

Antioxidant Effects

Sources & References

Botanicals & Natural Substances

Andere categorieën

Safety & Information

interactions

May enhance effects of antidiabetic drugs.

May strengthen the effect of blood pressure-lowering medications.

May increase bleeding risk with anticoagulant medications.

mechanisms of action

Beta-Glucan Driven Immune Modulation

Polysaccharide Influence on Glucose Metabolism

Antioxidant Effects

Sources & References