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Reishi Mushroom

The 'mushroom of immortality' in Chinese medicine — it's a calming adaptogen that supports immunity and sleep, and it has the deepest history of any medicinal mushroom.

Benefits

  • +Supports and modulates immune function
  • +May improve sleep quality — calming effect on the nervous system
  • +Supports stress resilience
  • +Has antioxidant and anti-inflammatory properties
  • +Traditional use for longevity and vitality
  • +May support liver health

Dosage & Cost

Range500–1500 mg/day (dried mushroom equivalent)
TimingEvening is popular for its calming effects, but anytime works
Daily cost$0.30–$0.80

Look for dual-extracted products (hot water + alcohol extraction) — this captures both the polysaccharides and the triterpenes. Reishi spore oil is another concentrated form. It takes 2–4 weeks to notice effects.

Side Effects

  • !Digestive upset — especially with higher doses or raw powder
  • !Possible blood-thinning effect (caution with anticoagulants)
  • !Headache or dizziness
  • !May lower blood sugar slightly
  • !Bitter taste

Food Sources

  • Reishi mushroom — can be brewed as a tea or added to coffee
  • Not commonly eaten as a regular food due to its bitter, woody taste

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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.