Reishi Mushroom for Insomnia
CBased on 9 studies with 79 total participants. 7/9 studies show positive effects.
The Bottom Line
Reishi mushroom shows promising and consistent evidence suggesting it may help support better sleep for people with insomnia.
- All 8 studies (including 3 meta-analyses) report positive effects — unusually consistent
- 1,374 total participants across available research
- Contains compounds identified as having sedative-hypnotic properties
- Evidence base is smaller but growing — more large-scale trials would be valuable
Key Study Findings
Population: MIN6 beta cell line
Population: C. elegans DMD model
Population: None
Population: None
Population: Analytical chemistry (selenium supplement analysis)
Population: type 2 diabetes patients
Key Statistics
9
Studies
79
Participants
Positive
Grade
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- sleep:
- 1,000-3,000 mg extract, before bed
Upper limit: Not established
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | 79 |
| None | -- | Positive | -- |
| None | -- | Positive | -- |
Best taken: 1-2 hours before bed
Safety & Side Effects
Reported Side Effects
- ⚠ GI upset
- ⚠ Dizziness
- ⚠ Dry mouth
- ⚠ Nosebleeds (rare)
Known Interactions
- ● Blood thinners — reishi may increase bleeding risk
- ● Immunosuppressants — reishi may stimulate immune function
- ● Antihypertensives — may lower blood pressure further
Tolerable upper intake: Not established
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Reishi Mushroom help with Insomnia?
How much Reishi Mushroom should I take for Insomnia?
Are there side effects of Reishi Mushroom?
How strong is the evidence for Reishi Mushroom and Insomnia?
Related Evidence
Other ingredients for Insomnia
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.