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LongevityWeak evidence

Maitake

Also known as: hen-of-the-woods, Grifola frondosa

Maitake is an edible mushroom containing beta-glucans such as the so-called D-fraction. Its effects on immunity and blood sugar are being studied, but human evidence is still weak.

What it is used for

  • immune support – weak evidence, mostly lab data and small studies
  • blood sugar support – weak evidence, mostly animal
  • adjunct in cancer treatment – research only, not a substitute for treatment

Forms and how they differ

hot-water extract

higher beta-glucan content – check the label declaration

fruiting body powder

food form with lower active content

When to take it

With food, any time of day.

Pairs well with

Other functional mushrooms, vitamin D, a low glycaemic load diet.

Do not combine / separate

Take care combining with diabetes medicines (risk of low blood sugar), blood thinners and immunosuppressants.

Watch out for

With diabetes, autoimmune disease, before surgery, in pregnancy or when taking medicines, consult your doctor.

Safety

Usually well tolerated; do not exceed the label dose.

Practical tip

If you have diabetes, check your blood sugar more often when you start.

Products containing Maitake 1

MaitakeextractImmunityBlood sugar & metabolism
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

Check Maitake with others

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Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.