Poria Mushroom
At a glance
- Best for
- people using traditional Chinese herbal formulas for sleep or mild anxiety
- Typical dose
- 9–15 g/day dried sclerotium (decoction) or 500 mg–3 g/day extract
- Time to effect
- 1–4 weeks
- Main caution
- quality and species-substitution concerns in commercial products
What is it
Poria mushroom ( Poria cocos , also classified as Wolfiporia extensa or Wolfiporia cocos ), known as Fu Ling in Traditional Chinese Medicine and bukuryo in Japanese Kampo, is a saprophytic fungus that grows on pine roots and produces large underground sclerotia which are the medicinal portion. Used for over 2000 years in East Asian medicine as a tonic and diuretic and as a constituent of numerous classical herbal formulas, the sclerotium contains triterpene acids (pachymic, polyporenic, dehydrotumulosic, eburicoic acids), beta-glucans and other polysaccharides (pachymaran), ergosterol, and amino acids. Modern research focuses on immunomodulatory, diuretic, anxiolytic, and antitumour effects of standardised extracts and isolated triterpenoid fractions.
Is it worth it for you?
Worth considering if…
- You are using a traditional formula (e.g., Suan Zao Ren Tang) under a practitioner
- You accept that evidence is largely traditional
Probably skip if…
- You want a single-ingredient remedy with RCT support
- You expect a reliable diuretic, immune, or metabolic effect
- You cannot verify product species/quality
Evidence at a glance
| Goal | Evidence | Effect | Best fit | Time |
|---|---|---|---|---|
| insomnia and mild anxiety as a formula component | Mixed Evidence | Uncertain | people using traditional multi-herb formulas containing Poria | 1–4 weeks |
Evidence for 1 use
AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.
insomnia and mild anxiety as a formula component
Supplement benefitPoria is a long-standing component of traditional Chinese formulas (such as Suan Zao Ren Tang) used for sleep and mild anxiety, with effects reported after 1–4 weeks. Evidence comes mainly from formula-level traditional use and small studies rather than rigorous single-ingredient trials, so the specific contribution of Poria is unclear.
Bottom line: Plausible traditional support for sleep and mild anxiety, but not validated as a single ingredient.
Evidence is mixed
Most data reflect whole formulas; isolating Poria's effect is not well established.
How to take it
- Typical dose
- 9–15 g/day dried sclerotium in decoction (traditional) or 500 mg–3 g/day standardized extract
- Timing
- no established optimal time; typically within a multi-herb formula
- With food
- either
- How long to try
- 1–4 weeks of consistent use in traditional formulas before judging
What to track
- sleep quality
- anxiety/tension
- GI tolerance
Safety
Common side effects
mild GI upset, diuretic-related effects with chronic high doses
Who should avoid it
- pregnant or breastfeeding women (inadequately studied)
- people unable to verify product species/quality
Pregnancy & breastfeeding
Generally avoided in pregnancy and lactation due to inadequate safety data.
Interactions
theoretical additive diuretic effect
some triterpene acids may have mild platelet-modulating effects; clinical relevance unclear
Choosing a product
Look for
- verified species (Poria cocos / Wolfiporia)
- standardized polysaccharide or triterpene content
- reputable supplier with identity testing
Be skeptical of
- antitumor or cancer-treatment claims
- guaranteed sleep or anxiety cure
- strong diuretic/weight-loss claims
References by claim
Track Poria Mushroom with Pilora
Set up dose reminders, check interactions, and join the community in the Pilora iPhone app.
Coming to App StoreDisclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.