Maitake Mushroom (Grifola frondosa)
Rich in unique D-fraction beta-glucans that modulate immune function and help regulate blood sugar levels.
Maitake, meaning 'dancing mushroom' in Japanese, has been used in Asian medicine for centuries. It's particularly rich in beta-glucans, especially the unique D-fraction and MD-fraction. Research shows benefits for immune function, blood sugar regulation, and metabolic health. It's one of the most studied mushrooms for supporting healthy blood glucose levels.
Activates natural killer cells and macrophages
Helps maintain healthy blood sugar
Supports healthy metabolism
How Maitake works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
1-3g dried mushroom or 500-1500mg extract daily
Loading: Not required
Take with food
| Form | Type |
|---|---|
| 💊Maitake D-fraction or MD-fraction extract | Recommended |
| 🧪Whole mushroom powder | Alternative |
| 💊Dried mushroom | Alternative |
| 💊Capsules | Alternative |
D-fraction and MD-fraction are concentrated, standardized extracts. Whole mushroom provides all compounds.
Minimum: 4 weeks
Optimal: 12 weeks
Cycling: Not required
Note: Taking with meals may optimize blood sugar-regulating effects.
Stronger immune response
More stable blood sugar levels
May support healthy weight
Monitor blood sugar closely; may need medication adjustment
May enhance blood sugar lowering; monitor levels
May have mild antiplatelet effects — may affect platelet aggregation or vitamin K-dependent clotting factors, altering anticoagulant efficacy
Tip: Monitor blood sugar if diabetic
Top studies from 34+ peer-reviewed papers
Górska-Jakubowska S et al. • Nutrients (2025)
“In this review, we aim to analyze the anti-cancer effects of edible/medicinal mushrooms, including Schizophyllum commune, Trametes versicolor, Grifola frondosa, Ganoderma lucidum, Lentinula edodes, Laetiporus sulphureus, Boletus edulis, and Phellinus igniarius, as well as their potential anti-cancer mechanisms, providing strong theoretical support for the further development of edible/medicinal mushroom anti-cancer products.”
Gariboldi MB et al. • International journal of molecular sciences (2023)
“We also report insights into the relationship between dietary consumption of edible mushrooms and breast cancer risk, and the results of clinical studies and meta-analyses focusing on the effects of fungal extracts on breast cancer patients.”
Xu J et al. • Nutrients (2022)
“In summary, there is a need to continue to explore the use of those extracts and to further validate their safety and efficacy.”
Roghani-Shahraki H et al. • Journal of cellular physiology (2021)
“Using herbal products, such as teas and mushrooms, or their derivatives, Rosmarinus officinalis Linn, Curcuma longa, Green tea, Lippia triphylla, Lippia citriodora, Plantago asiatica L, Vine tea, and Grifola frondosa have been proved to exert several therapeutic impacts on lipid profile and its related disorders, and we would provide a brief review on them in this literature.”
Hetland G et al. • Nutrients (2020)
“This article reviews preclinical and clinical findings with these mushrooms and the mechanisms behind them.”
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