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Types of Reishi: Forms & Bioavailability

Evidence:Moderate
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This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Dual Extract (hot water + alcohol)HighBest option — extracts both water-soluble polysaccharides and alcohol-soluble triterpenes
Hot Water ExtractModerateImmune support — rich in beta-glucans but lower in triterpenes
Dried Fruiting Body PowderLow-ModerateTraditional use — requires longer supplementation and higher doses
Spore OilHighConcentrated triterpenes — expensive but potent for specific applications

Dual Extract (hot water + alcohol)

Bioavailability: High. Best for: Best option — extracts both water-soluble polysaccharides and alcohol-soluble triterpenes.

Hot Water Extract

Bioavailability: Moderate. Best for: Immune support — rich in beta-glucans but lower in triterpenes.

Dried Fruiting Body Powder

Bioavailability: Low-Moderate. Best for: Traditional use — requires longer supplementation and higher doses.

Spore Oil

Bioavailability: High. Best for: Concentrated triterpenes — expensive but potent for specific applications.

References

  1. Meta-analysisJin X, Ruiz Beguerie J, Sze DM, Chan GC (2016). Ganoderma lucidum (Reishi mushroom) for cancer treatment. Cochrane Database of Systematic Reviews. DOI PubMed
  2. Meta-analysisJin X, Ruiz Beguerie J, Sze DM, Chan GC (2012). Ganoderma lucidum (Reishi mushroom) for cancer treatment.. The Cochrane database of systematic reviews. DOI PubMed
  3. ReviewCizmarikova M (2017). The Efficacy and Toxicity of Using the Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Agaricomycetes), and Its Products in Chemotherapy (Review).. International journal of medicinal mushrooms. DOI PubMed
  4. RCTMitra S, Mitra M, Nandi DK, Saha M, et al. (2024). Efficacy of Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidum (Agaricomycetes) Supplementation on Psychological Stress and Selective Fitness Profile Parameters in Female College Students in West Bengal, India.. International journal of medicinal mushrooms. DOI PubMed
  5. Meta-analysisNarayanan S, de Mores AR, Cohen L, Anwar MM, et al. (2023). Medicinal Mushroom Supplements in Cancer: A Systematic Review of Clinical Studies.. Current oncology reports. DOI PubMed
  6. RCTWightman E, Khan J, Smith E, Rolfe V, et al. (2023). Chronic supplementation of a multi-ingredient herbal supplement increases speed of cognitive task performance alongside changes in the urinary metabolism of dopamine and the gut microbiome in cognitively intact older adults experiencing subjective memory decline: a randomized, placebo controlled, parallel groups investigation.. Frontiers in nutrition. DOI PubMed
  7. Azizi M, Tavana M, Farsi M, Oroojalian F (2012). Yield performance of Lingzhi or Reishi medicinal mushroom, Ganoderma lucidum (W.Curt.:Fr.) P. Karst. (higher Basidiomycetes), using different waste materials as substrates.. International journal of medicinal mushrooms. DOI PubMed