Reishi
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Reishi. Adaptogenic mushroom used for immune balance, sleep, and stress.
How it works. Beta-glucans modulate innate immunity; triterpenes provide adaptogenic effects.
What the research supports. 2 graded claims. Strongest: Improves QoL during cancer therapy (moderate).
How much to take. Typical dose: 1.5–3 g dual extract.
Side effects and interactions. 2 medication interactions listed. Serious: Hepatotoxicity (case reports, powder form).
Stacking. Pairs well with Vitamin D3 + K2, Zinc, Ashwagandha.
Common forms. Available as Dual-extracted (water + alcohol), Beta-glucan standardized.
Key studies. 9 studies cited. The strongest are listed with links to PubMed.
Community. Experiences from people who have tried Reishi. Anecdotes are not medical advice.
Reishi. Adaptogenic mushroom used for immune balance, sleep, and stress.
What it is
Adaptogenic mushroom used for immune balance, sleep, and stress.
Also called
Food sources
Goals
How it works
Beta-glucans modulate innate immunity; triterpenes provide adaptogenic effects.
Pathways
- Beta-glucan immune modulation
Effects
- +Immune modulation supports
- +Sleep quality supports
What the research supports
Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.
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Side effects & interactions
Common side effects
- GI upset
Serious
- Hepatotoxicity (case reports, powder form)
Medication interactions
Antiplatelet effects.
Additive BP lowering.
Check any supplement–medication combination with your pharmacist before starting.
Combines with
Pairs well
- Vitamin D3 + K2Foundational immune modulation.
- ZincRequired cofactor for innate and adaptive immune function.
- AshwagandhaAdaptogenic HPA-axis modulation.
Common forms
- Dual-extracted (water + alcohol)
- Beta-glucan standardized
Key studies
9 studies cited in total.
Improved immune response and quality of life; insufficient evidence to recommend as monotherapy.
Opens current human and preclinical literature matching Reishi and "Improves QoL during cancer therapy". Filter by RCT, meta-analysis, or year on the results page.
Opens current human and preclinical literature matching Reishi and "Mild improvement in sleep & fatigue". Filter by RCT, meta-analysis, or year on the results page.
Discussion
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