PlainPill

Reishi Mushroom Extract

People mainly take Reishi Mushroom Extract for sleep, focus, anxiety. Based on 4 first-hand reports and 5 meta-analyses & systematic reviews in the medical literature. Ranked #799 of 1,974 overall.

21
User score
Mostly positive
50% positive0% mixed0% negative50% unclear

Of reports that state an outcome, 100% are positive.

Clinical research
BModerate research base
5
meta-analyses
0
RCTs
0
papers

What Reishi Mushroom Extract does, according to users

Of the people who reported each effect, the share who said it got better.

What the research says

Systematic reviews and meta-analyses from PubMed, with their published conclusions.

BModerate research base

At least one meta-analysis, or 5+ randomized controlled trials. The grade measures how much human research exists — read the conclusions below for what it found.

Cochrane Database Syst Rev · 2016 · Meta-analysis / systematic review
Ganoderma lucidum (Reishi mushroom) for cancer treatment

Conclusion: Our review did not find sufficient evidence to justify the use of G. lucidum as a first-line treatment for cancer. It remains uncertain whether G. lucidum helps prolong long-term cancer survival. However, G. lucidum could be administered as an alternative adjunct to conventional treatment in consideration of its potential of enhancing tumour response and stimulating host immunity. G. lucidum was generally well tolerated by most participants with only a scattered number of minor adverse events. No major toxicity was observed across the studies. Although there were few reports of harmful effect

PubMed 27045603 ↗
Cochrane Database Syst Rev · 2015 · Meta-analysis / systematic review
Ganoderma lucidum mushroom for the treatment of cardiovascular risk factors

Conclusion: Evidence from a small number of randomised controlled trials does not support the use of G lucidum for treatment of cardiovascular risk factors in people with type 2 diabetes mellitus. Future research into the efficacy of G lucidum should be placebo-controlled and adhere to clinical trial reporting standards.

PubMed 25686270 ↗

Dosage people report

As stated by users — not a recommendation. Follow the label or your doctor.

500 mg3x daily
1 teaspoondaily
dailyas reported

Reported side effects

How often each side effect came up across all reports.

No side effects reported so far.

What users say

Verbatim quotes, shortened only — each links to the original discussion.

“3 X 500MG Red Reishi Extract (Various extracts)”
Source discussion ↗
“i drink my coffee black with a teaspoon of reishi mushroom extract and it is outstanding.”
Source discussion ↗
“Reishi mushroom extract has been clinically studied and shown to decrease time to fall asleep and increase the amount of time spent in deep anabolic sleep”
Source discussion ↗
“Reishi mushroom extract and cod liver oil daily have saved me”
Source discussion ↗
Top discussions (4)

Other options for sleep

User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate