Red Reishi Mushroom (Ganoderma lucidum)

Immunity & relaxation

Function & benefits

A traditional mushroom in Asian medicine rich in beta-glucans and triterpenes (ganoderic acids); it helps support the normal immune response and acts as an adaptogen that helps calm the nervous system and support sleep quality.

Dosage & how to use

Recommended dose	1000–1500 mg standardized dual extract
Best time to take	An hour before bed or with dinner
Frequency	Once daily

Best forms to choose

Dual extract (hot water and alcohol) of the red reishi fruiting body, capturing both the polysaccharides and the triterpenes.

Important warnings

May cause drowsiness; avoid driving after taking it

Rare cases of liver strain have been reported with unreliable raw powders; stick to tested extracts and check liver function with long-term use

Avoid during pregnancy, breastfeeding and before surgery

Drug interactions

It interacts with blood thinners and anticoagulants (prolongs bleeding time), blood pressure medication, immunosuppressants and diabetes medication.

View in the supplements guide

Related supplements

Scientific references

Wachtel-Galor S et al. Ganoderma lucidum (Lingzhi or Reishi). In: Herbal Medicine: Biomolecular and Clinical Aspects, 2nd ed. 2011 (NCBI Bookshelf NBK92757)
Memorial Sloan Kettering Cancer Center: About Herbs — Reishi Mushroom

📚 Published sources and research: European Food Safety Authority (EFSA) • National Institutes of Health (NIH - ODS) • PubMed / Cochrane databases

Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)

⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.