iOnco
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Maitake

Grifola frondosa

Medicinal Mushroommoderate evidence

Maitake D-fraction, a proteoglycan-bound beta-glucan, activates NK cells, macrophages, and T-cells, inhibits tumour growth, and may enhance chemotherapy effectiveness. Maitake also regulates blood sugar — particularly relevant given insulin's role in promoting cancer.

Medicinal Properties

ImmunomodulatoryAnti-tumourAnti-diabeticAntioxidant
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Cancer Types Studied

BreastProstateBladder

Recommended Dosage

1–3 g Maitake D-fraction extract daily, or 3–7 g whole mushroom powder daily.

Preparations

D-Fraction Extract

1–3 g standardised D-fraction extract daily, 30 min before meals.

Cooked Maitake

Add fresh or dried maitake to soups and stews daily.

NIH / PubMed Research

Links open on PubMed (National Library of Medicine). Research is ongoing — results may not reflect clinical use.

Cautions & Interactions

  • May lower blood sugar — monitor in diabetics
  • Can lower blood pressure — caution with antihypertensives
  • Avoid if allergic to mushrooms
  • May interact with blood-thinning medications

Informational only. Not medical advice. Consult your healthcare provider before use.