Oldenlandia diffusa
Evidence: MixedUseful mainly for traditional use within TCM formulas; no proven standalone clinical benefit.
Quick decision guide
May help most
traditional use within TCM formulas; no proven standalone clinical benefit
Common dosing range
Not standardized; used as a decoction or extract in traditional practice
When to expect effects
Not characterized
Watch out for
Marketed for cancer but human evidence is preliminary and it should never replace oncology care
What is it
Oldenlandia diffusa (also classified as Hedyotis diffusa), known as bai hua she she cao, is a herb used in traditional Chinese medicine, often in formulas aimed at "clearing heat" and as an adjunct in cancer care. Its laboratory-studied constituents include iridoids, flavonoids, and anthraquinones, but clinical evidence in humans is very limited.
Is it worth it for you?
Use this as a quick fit check, not a diagnosis.
Worth considering if…
Probably skip if…
Evidence at a glance
| Goal | Evidence | Effect | Best fit | Time |
|---|---|---|---|---|
| anticancer and immune-modulating activity | Mixed Evidence | Not established in humans | not defined by clinical data | Not characterized |
Evidence for 1 use
AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.
anticancer and immune-modulating activity
Mechanism onlyCell-culture and animal studies report that Oldenlandia diffusa extracts can inhibit tumor-cell growth and modulate immune activity, which underlies its traditional use as a cancer adjunct. There are no rigorous controlled human trials, so any anticancer benefit in people is unproven and it must not replace standard treatment.
Bottom line: Preclinical anticancer signals only — not a proven therapy and no substitute for oncology care.
How to take it
- Typical dose
- No standardized clinical dose; traditionally used as a decoction within formulas
- Timing
- As directed in a formula
- With food
- Either
What to track
- nothing validated; use only alongside, never instead of, medical care
Safety
Common side effects
not well characterized in humans
Who should avoid it
- pregnant or breastfeeding women
- cancer patients using it as a replacement for treatment
- people on immunosuppressants without medical advice
Pregnancy & breastfeeding
Avoid in pregnancy and breastfeeding due to lack of safety data.
Interactions
Possible immune-modulating effects could interfere
Unknown interactions; use only under oncology supervision
Choosing a product
Look for
- correct botanical identity (Hedyotis/Oldenlandia diffusa)
- sourcing and contaminant testing
Be skeptical of
- cancer-cure or tumor-shrinking claims
- any claim it can replace medical treatment
References by claim
Track Oldenlandia diffusa with Pilora
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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.