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Reishi Dosage Guide

Evidence:Moderate
·

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

General Dosage

1.5-3g dried mushroom powder daily or 500-1000mg dual extract

Maximum dose: 5.4g extract daily (highest dose used in clinical trials)

Dosage Recommendations

General recommendation: 1.5-3g dried mushroom powder daily or 500-1000mg dual extract

Timing: Evening or before bed for sleep support; split doses for immune support • Take with food for best absorption.

Dosage by Condition

Immune support
1-1.5g dual extract dailyModerate
Sleep quality
1.5-3g powder or 500mg extract before bedEmerging
General wellness
1-2g powder dailyModerate
Cancer adjunctive
1.5-5.4g extract daily (with oncologist approval)Emerging

Upper limit: 5.4g extract daily (highest dose used in clinical trials)

Timing & Absorption

Evening or before bed for sleep support; split doses for immune support

Best taken with food for optimal absorption.

Full Reishi Guide

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