Yucca Drug Interactions, Uses, Effectiveness, Safety & More
What is this page for?
First and foremost: how Yucca interacts with medications. The heart of this page is the interaction list — every drug Yucca is known to interact with, and how serious each one is.
But these pages have grown well beyond that into a full monograph — what Yucca 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
Check Yucca against your medication
Add one medicationDrugs that interact with Yucca
0 medications have a known interaction with Yucca, graded by severity. Select any drug for the full evidence-based detail.
We don’t currently list any known drug interactions for Yucca. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.
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 Yucca combination — clinical detail, likelihood, evidence level, and citations.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Yucca: Uses, Safety & Side Effects
Yucca is a desert plant traditionally used for joint pain, arthritis, and digestion, and it contains compounds called saponins thought to have anti-inflammatory effects. Human evidence for these uses is very limited, so it should not replace proven treatments. Talk to your pharmacist or doctor before trying it, especially if you are pregnant, breastfeeding, or take other medicines.
- Scientific name
- Yucca schidigera
- Family
- Asparagaceae
- Part used
- Root, stem (trunk), and leaves
- Common forms
- Capsules, tablets, powder, liquid extract, and tea
- Joint pain and arthritis
- Digestive health
- High cholesterol
- Inflammation
- High blood pressure
Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.
Generally considered low-risk in food amounts, but supplement safety is not well studied.
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
Yucca is a group of hardy desert plants native to the dry regions of the southwestern United States, Mexico, and parts of the Caribbean. The species most often used in supplements is Yucca schidigera, sometimes called Mojave yucca. Native peoples and traditional healers have long used the plant's root and other parts.
Yucca should not be confused with yuca (cassava), which is a starchy root vegetable from a completely different plant. Today, yucca is sold as capsules, powders, teas, and liquid extracts, and it is marketed mostly for joint comfort, digestion, and general inflammation.
How it works
Yucca is rich in natural compounds called saponins, along with plant antioxidants like polyphenols and resveratrol. Saponins are thought to have soap-like, foaming properties and may bind to certain substances in the gut.
In laboratory and animal studies, these compounds appear to have anti-inflammatory and antioxidant effects, and saponins may interact with cholesterol and gut bacteria. However, these are early findings, and it is not clear whether they produce meaningful effects in the human body at the amounts found in supplements.
Does Yucca work?
How to read these evidence grades
Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.
For Yucca, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.
Also studied for 7 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Bleeding
Although there has been interest in using topical yucca for bleeding, there is insufficient reliable information about the clinical effects of yucca for this purpose.
Insufficient Reliable Evidence To Rate Dandruff
Although there has been interest in using topical yucca for dandruff, there is insufficient reliable information about the clinical effects of yucca for this purpose.
Insufficient Reliable Evidence To Rate Diabetes
Although there has been interest in using oral yucca for diabetes, there is insufficient reliable information about the clinical effects of yucca for this purpose.
Insufficient Reliable Evidence To Rate Hypercholesterolemia
Oral yucca has only been evaluated in combination with other ingredients; its effect when used alone is unclear.
Insufficient Reliable Evidence To Rate Hypertension
Although there has been interest in using oral yucca for hypertension, there is insufficient reliable information about the clinical effects of yucca for this purpose.
Insufficient Reliable Evidence To Rate Joint pain
Although there has been interest in using topical yucca for joint pain, there is insufficient reliable information about the clinical effects of yucca for this purpose.
Insufficient Reliable Evidence To Rate Migraine headache
Although there has been interest in using oral yucca for migraine headache, there is insufficient reliable information about the clinical effects of yucca for this purpose.
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
Yucca has a long history of use as a food and food additive, and small amounts are generally considered low-risk. Still, the safety of concentrated supplements over the long term has not been well studied.
People with digestive conditions may be more likely to notice stomach upset. Anyone with a chronic health condition or who takes regular medications should check with a pharmacist or doctor first.
Pregnancy and breastfeeding: There is not enough reliable safety information, so yucca supplements should be avoided during pregnancy and while breastfeeding. When safety is unknown, it is safest not to use it.
Side effects
The most commonly reported side effects are digestive, such as stomach upset, nausea, cramping, or diarrhea. These are more likely with larger amounts because of the saponin content.
Serious side effects are not well documented, but because the supplement is not heavily studied, rare reactions cannot be ruled out. Stop using yucca and seek medical care if you have signs of an allergic reaction, such as rash, swelling, or trouble breathing.
Yucca: Reported Adverse Effects
Documented safety reports on Yucca from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.
Reports by conditionAllergic rhinitis (hay fever) Pulmonary/Respiratory
Environmental exposure to yucca has been associated with allergic rhinitis in 59 patients who exhibited sensitization to yucca after allergen skin testing.
Urticaria Dermatologic
Topically, yucca has been reported to cause phytodermatitis. In one case report, an atopic gardener developed contact urticaria after occupational exposure to weeping fig, spathe flower, and yucca. Allergen skin tests were positive for all three plants.
- Poljacki, M., Paravina, M., Jovanovic, M., Subotic, M., and Duran, V. [Contact allergic dermatitis caused by plants]. Med Pregl. 1993;46(9-10):371-375.
- <p><span>Kanerva, L., Estlander, T., Petman, L., Makinen-Kiljunen, S. Occupational allergic contact urticaria to yucca (Yucca aloifolia), weeping fig (Ficus benjamina), and spathe flower (Spathiphyllum wallisii). Allergy. 2001;56(10): 1008-11.</span></p>
Adverse-effects data: Natural Medicines, Therapeutic Research Center
Dosing
There is no well-established standard dose for yucca supplements. Doses vary widely between products, and there is not enough research to recommend a specific amount.
If you choose to try yucca, follow the directions on the product label and do not exceed them. A pharmacist or doctor can help you decide whether it is appropriate for you and review it against your other medications and health conditions.
Yucca & Pregnancy
Yucca & Breastfeeding
© 2026 Therapeutic Research Center
Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center
References & further reading
The 3 references that drive our Yucca 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.
- <p><span>Kanerva, L., Estlander, T., Petman, L., Makinen-Kiljunen, S. Occupational allergic contact urticaria to yucca (Yucca aloifolia), weeping fig (Ficus benjamina), and spathe flower (Spathiphyllum wallisii). Allergy. 2001;56(10): 1008-11.</span></p>
- Poljacki, M., Paravina, M., Jovanovic, M., Subotic, M., and Duran, V. [Contact allergic dermatitis caused by plants]. Med Pregl. 1993;46(9-10):371-375.
- Mahillon, V., Saussez, S., and Michel, O. High incidence of sensitization to ornamental plants in allergic rhinitis. Allergy 2006;61(9):1138-1140. PubMed
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 Yucca
151 brands in our database make a supplement containing Yucca.
Supplement products with Yucca
397 products in our database contain Yucca. Open any to see its full ingredient list and every drug interaction we check.
Yucca: Common Questions
What is Yucca used for, and does it work?
Does Yucca interact with prescription medications?
How are Yucca interactions rated?
Is it safe to take Yucca with my medications?
Where does this Yucca interaction information come from?
What is Yucca used for?
Is Yucca the same as yuca or cassava?
Is Yucca safe to take?
Can I take Yucca if I am pregnant or breastfeeding?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Products that contain Yucca
A rotating sample of real supplements in our database that list Yucca — open any to see its full ingredients and every drug interaction we check.
- RepairZyme by TransFormation The Genesis of Good Health
- Orthoflex+ by Pacific BioLogic
- Advanced Joint Relief by Absorb Health
- Flex by OneBode
- Inflame-X by Advanced Nutrition by Zahler
- Liqui-Vite Citrus Flavor by NeoLife Nutritionals
- Arthoplex by DC
- Joint Advantage Gold 5X Turmeric by Williams Nutrition
- Yucca by Herbal Terra
- Aloe Vera 500 mg with Yucca by herbscience
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