Reishi explained: what it is and where it grows
Reishi comes from a mushroom that grows at the base of trees or on tree stumps. The NIH says it is rare in the wild and is cultivated using logs, sawdust or wood chips from deciduous trees. One product we reviewed lists reishi, and its label prints 10 mg per serving.
- In the products we reviewed
- 1, its label prints the amount
What reishi is
- Reishi comes from a mushroom that grows at the base of trees or on tree stumps.1
- Reishi is cultivated using logs, sawdust or wood chips from deciduous trees because it is rare in the wild.1
- Reishi has a bitter taste and is used in cooking and herbal tea.1
- Reishi is available as an extract alone or combined with other herbs and nutrients in supplements.1
- Reishi extracts contain proteins, fatty acids, trace elements and other compounds, but which components are responsible for its claimed effects is unknown.1
How much reishi each product gives
Before you take it
Side effects
- Reishi has been linked to rare cases of acute liver injury, although other possible causes were not adequately ruled out in most reports.1
- There is little information about common side effects of reishi extracts in humans.1
These statements have not been evaluated by the FDA. A supplement is not a medicine.
The product we reviewed that lists reishi
| Product | Form and serving | Reishi per serving | Our score | Price a bottle | Buy |
|---|---|---|---|---|---|
 Max Vitalize#3 in men's health support | Capsules2 capsules | 10 mg | 9.3 | $49 | Check price |
Questions people ask
What is reishi mushroom?
Reishi is a mushroom that grows at the base of trees or on tree stumps. The NIH says it is cultivated using logs, sawdust or wood chips from deciduous trees because it is rare in the wild.
Can you use reishi mushroom in tea?
Yes, the NIH says reishi has a bitter taste and is used in herbal tea and cooking.
What is reishi mushroom extract?
Reishi mushroom extract is available alone or combined with other herbs and nutrients in supplements, according to the NIH. The NIH says these extracts contain proteins, fatty acids, trace elements and other compounds. Which components are responsible for its claimed effects is unknown.
What are reishi mushroom side effects?
Reishi has been linked to rare cases of acute liver injury, although other possible causes were not adequately ruled out in most reports. There is little information about common side effects of reishi extracts in humans.
Is reishi mushroom safe?
Reishi has been linked to rare cases of acute liver injury, so ask a clinician before starting. Other possible causes were not adequately ruled out in most reports.
Which products we reviewed contain reishi mushroom?
Max Vitalize is a product we reviewed that lists reishi. Its label prints 10 mg per serving of 2 capsules.
Sources
The products, amounts and prices come from each product's label and checkout, as its review shows them. AI drafts our pages from listed sources, figures are checked against them, and we have not tried the products.
- 1NIH LiverTox, Lingzhi, Reishincbi.nlm.nih.gov/bookschecked