Javanese Turmeric Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Javanese Turmeric interacts with medications. The heart of this page is the interaction list — every drug Javanese Turmeric is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Javanese Turmeric is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy
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Add one medicationJavanese Turmeric Drug Interactions: The Bottom Line
From the HelloPharmacist Editorial Team · Updated July 2026Based on the available evidence, the overall risk of a clinically significant Javanese Turmeric drug interaction appears low for most people. Only a couple of medications are flagged, none of the interactions are rated major, and the concern rests on animal research rather than reports in people.
The combination that deserves the most care involves warfarin, a blood thinner with a narrow safety margin. In animal studies, high daily doses of Javanese turmeric raised warfarin levels in the blood, which in theory could increase bleeding risk. Lower doses did not have this effect, and it has not been reported in humans, but because even small changes in warfarin levels can matter, people taking it should treat this combination with extra caution.
The short list of interactions here reflects how little this supplement appears to interfere with medications overall. What has been flagged is theoretical, drawn from animal studies at high doses, and no clinically meaningful problems have been documented in people so far. That does not prove the combination is harmless, but it does mean the concern is precautionary rather than established.
Based on HelloPharmacist’s Javanese Turmeric interaction data and reviewed under our editorial standards.
Drugs that interact with Javanese Turmeric
2 medications have a known interaction with Javanese Turmeric, graded by severity. Select any drug for the full evidence-based detail.
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AI summaries are generated from our Javanese Turmeric interaction data for education only — always confirm with your pharmacist. How we use AI
No drugs match “”.
What Severity, Likelihood & Evidence Mean
Severity — How Serious It Can Be
- Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
- Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
- Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
- No known interaction. Checked against our sources with nothing documented — not the same as proven safety.
Likelihood — How Well It’s Documented
- Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
- Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
- Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
- Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Where This Data Comes From
- Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
- Each drug listed above links to the full report for that exact Javanese Turmeric combination — clinical detail, likelihood, evidence level, and citations.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The kinds of drugs Javanese Turmeric affects
Every type of medication (drug category) Javanese Turmeric is known to interact with. Open any category for the detail — or search your exact drug in the checker above.
Warfarin (Coumadin)
Javanese turmeric might increase the risk of bleeding with warfarin.
Animal research suggests that administering high doses of oral Javanese turmeric daily for 7 days prior to a single dose of intravenous warfarin, or for 3 days in combination with intravenous warfarin, increases blood levels of warfarin. This increase did not occur with lower doses. This effect has not been reported in humans.
Javanese Turmeric: Uses, Safety & Side Effects
Javanese turmeric (Curcuma zanthorrhiza), known in Indonesia as temulawak, is a ginger-family root traditionally used for digestive and liver complaints. Early lab and animal studies are interesting, but strong human evidence is limited, so it should be viewed as a traditional remedy rather than a proven treatment. Talk to a pharmacist or doctor before using it, especially if you have a health condition or take medications.
- Scientific name
- Curcuma zanthorrhiza
- Family
- Zingiberaceae
- Part used
- Rhizome (root)
- Common forms
- Capsules, tablets, powder, dried root, tea, liquid extracts
- Digestive upset and bloating
- Liver and gallbladder support
- Loss of appetite
- Joint and inflammation complaints
- General wellness tonic
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
Generally well tolerated in food-like amounts, but human safety data for concentrated supplements are limited.
Insufficient reliable information available; avoid using.
Read the full pregnancy detailInsufficient reliable information available; avoid using.
Read the full breastfeeding detailPregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Overview
Javanese turmeric comes from the rhizome (underground stem) of Curcuma zanthorrhiza, a plant in the ginger family. It is native to Southeast Asia, especially Indonesia, where it is widely known as temulawak. It is a close relative of common turmeric (Curcuma longa).
The bright orange-yellow root is dried and made into powders, capsules, teas, and liquid extracts. In traditional Indonesian medicine (jamu), it has long been used to support digestion, appetite, and liver health. Today it is also sold as a general wellness supplement in many countries.
How it works
Javanese turmeric contains curcuminoids (including curcumin) and an essential oil rich in compounds such as xanthorrhizol. In test-tube and animal studies, these compounds show antioxidant, anti-inflammatory, and antimicrobial activity, and may stimulate bile flow, which could help explain its traditional use for digestion and the liver.
It is important to know that these mechanisms are mostly based on laboratory and animal research. Effects seen in a dish or in animals do not always carry over to people, partly because curcumin-type compounds are poorly absorbed by the body.
Does Javanese Turmeric work?
How to read these evidence grades
Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.
For Javanese Turmeric, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.
Also studied for 1 condition — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Irritable bowel syndrome (IBS)
It is unclear if oral Javanese turmeric is beneficial for IBS.
Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.
Safety & precautions
In amounts used in food and cooking, Javanese turmeric is generally considered well tolerated. Safety data for concentrated supplement doses taken over long periods are limited.
Use extra caution if you have gallstones or a bile duct blockage, since herbs that increase bile flow may worsen these conditions. People with liver disease or who are scheduled for surgery should check with their doctor first.
Because there is not enough safety information, pregnant and breastfeeding people should avoid it. Do not give it to children without medical advice. Always choose products from reputable brands, as supplements are not tightly regulated and may vary in quality or be contaminated.
Side effects
Reported side effects are usually mild and may include stomach upset, nausea, or digestive discomfort, especially at higher doses. As with related turmeric products, some people may experience an allergic reaction.
Serious side effects appear to be uncommon, but because human data are limited, the full side-effect profile is not well understood. Stop using it and seek care if you notice signs of an allergic reaction, yellowing of the skin or eyes, or worsening abdominal pain.
Javanese Turmeric: Reported Adverse Effects
Documented safety reports on Javanese Turmeric from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.
Orally, Javanese turmeric seems to be well tolerated when used short-term.
Most Common Adverse Effects:
Orally: Gastric irritation and nausea.
Nausea and vomiting Gastrointestinal
Orally, Javanese turmeric can cause gastric irritation and nausea when used in large amounts or for prolonged periods of time.
- Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
- Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm GmbH Scientific Publishers, 1994.
Adverse-effects data: Natural Medicines, Therapeutic Research Center
Dosing
There is no well-established standardized dose for Javanese turmeric. Products vary widely in strength and form, and the active compounds are absorbed differently from one preparation to another.
The safest approach is to follow the directions on the product label and not exceed the recommended amount. Because reliable dosing guidance is lacking, check with a pharmacist or doctor before starting, particularly if you take other medicines or have a health condition.
Javanese Turmeric & Pregnancy
Javanese Turmeric & Breastfeeding
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 3 references that drive our Javanese Turmeric monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.
- Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
- Wichtl MW. Herbal Drugs and Phytopharmaceuticals. Ed. N.M. Bisset. Stuttgart: Medpharm GmbH Scientific Publishers, 1994.
- Rusdiana T, Mardhiani YD, Putriana NA, et al. The influence of Javanese turmeric (Curcuma xanthorrhiza) on the pharmacokinetics of warfarin in rats with single and multiple-dose studies. Pharm Biol. 2021;59(1):639-646.
This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC
Brands that make products with Javanese Turmeric
2 brands in our database make a supplement containing Javanese Turmeric.
Supplement products with Javanese Turmeric
2 products in our database contain Javanese Turmeric. Open any to see its full ingredient list and every drug interaction we check.
Javanese Turmeric: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Products that contain Javanese Turmeric
A rotating sample of real supplements in our database that list Javanese Turmeric — open any to see its full ingredients and every drug interaction we check.
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