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SupplementScience

Reishi Dosage Guide

This content is for informational purposes only and does not constitute medical advice. 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

ConditionRecommended DoseEvidence
Immune support1-1.5g dual extract dailyModerate
Sleep quality1.5-3g powder or 500mg extract before bedEmerging
General wellness1-2g powder dailyModerate
Cancer adjunctive1.5-5.4g 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.

References

  1. (). Ganoderma lucidum (Reishi mushroom) for cancer treatment. Cochrane Database of Systematic Reviews. DOI
  2. (). Extract of Ganoderma lucidum prolongs sleep time in rats. Journal of Ethnopharmacology. DOI