Herbarium of the Ancients — Detailed NotebookFR · EN

Reishi

Ganoderma lucidum
Read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.
Enhanced precautions for this plant: Do not use if taking anticoagulant or antiplatelet medication, as Reishi may thin the blood. Not recommended during pregnancy and breastfeeding due to insufficient data. May interact with certain immunosuppressive or antihypertensive treatments: seek medical advice before starting any course. Avoid in case of bleeding disorders or before surgical procedures.
Decoction — Fruiting body (dried cap and stem)

Traditional Reishi decoction

The dried mushroom, sliced, is simmered in water for an extended period, sometimes over an hour, to extract the bitter compounds. This decoction, with its pronounced taste, is the most ancient form of consumption in China. A healthcare professional or qualified herbalist should be consulted before any regular course. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Tincture — Dried fruiting body

Hydroalcoholic tincture

The dried mushroom is macerated in alcohol for several weeks to extract both water-soluble and fat-soluble compounds. This concentrated form requires professional advice regarding dosage and duration of use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Powder — Dried and ground fruiting body

Powder to incorporate

The mushroom is reduced to fine powder after complete drying, then incorporated into hot beverages or culinary preparations. Here again, it is recommended to consult a professional to determine appropriate use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Sourcing the plant

Reishi is mainly found in dried form, as powder or tincture at specialized herbalist shops and Asian plant markets; it can also be cultivated on deadwood in humid and shaded environments.

Harvest season

When to harvest it

This wood-dwelling mushroom is traditionally harvested in late summer and autumn, when the fruiting body has reached maturity and hardened on its woody substrate.

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