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 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.