Reishi Mushroom Research

Teelixir's evidence-based guide to Ganoderma lucidum — the "Queen of Mushrooms" and the most-studied medicinal mushroom for immune modulation, sleep, and longevity. Used for over 2,000 years in traditional Chinese medicine.

Start here: Reishi Benefits — Evidence Review · Dosage Guide · Side Effects & Safety

By health goal: Immune Support · Fatigue & Energy

Compare: Reishi vs Lion's Mane

Ready to try it? Shop Teelixir Reishi →

Reishi

Reishi mushroom powder measuring spoon on wooden surface, dosage guide
How to Take Reishi Mushroom: Dosage, Timing, and Forms
Reishi clinical trials used doses from 1.5g to 5.4g daily in extract form. Here is how to match the dose to your goal — sleep, immune support, or fatigue — based on what the trials actually studied.
Reishi and lion's mane mushrooms side by side comparison
Reishi vs Lion's Mane: Which Mushroom Should You Choose?
Reishi and lion's mane overlap on immune support but diverge sharply elsewhere — reishi for stress and sleep, lion's mane for cognition and nerve repair. Here is how to choose based on your actual goal.
Reishi mushroom extract in glass dropper on stone, safety research article
Reishi Mushroom Side Effects and Safety: What the Research Shows
Reishi has a genuine safety record with decades of use — but the evidence on liver concerns and drug interactions is real. Here is what the research actually shows, including who should take caution.
Person resting peacefully for fatigue recovery with reishi mushroom
Reishi for Fatigue and Energy: Inside the Clinical Evidence
An RCT in breast cancer survivors showed significant fatigue reduction after 4 weeks on reishi extract. Here is what the clinical evidence shows about reishi and fatigue — and what it does not claim.
Reishi mushroom tea preparation, warm amber light, immune support article
Reishi for Immune Support: The Research Behind the Claims
Reishi modulates immune function through beta-glucan activation of macrophages and NK cells. Multiple human trials confirm the mechanism. Here is what the peer-reviewed evidence actually demonstrates.
Dried reishi mushroom Ganoderma lucidum on timber surface, warm golden light
Reishi Mushroom Benefits: What 28 Human Studies Actually Show
Reishi has been studied in over 200 clinical trials covering immunity, sleep, stress, fatigue, and cardiovascular health. Here is an evidence-graded summary of what the research actually shows.

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