Herb & supplement monograph

Yucca Drug Interactions, Uses, Effectiveness, Safety & More

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Reviewed by licensed pharmacists Sourced from Natural Medicines
Interaction report

Drugs 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.

Read The List Like a Pharmacist

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.
Monograph

Yucca: Uses, Safety & Side Effects

The bottom line

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
People commonly use it for
  • 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.

Safety at a glance
OverallUse caution

Generally considered low-risk in food amounts, but supplement safety is not well studied.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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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.

Effectiveness

Does Yucca work?

Evidence overview · 7 uses evaluated
7 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.

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
Rating & evidence shown verbatim from Natural Medicines

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
Rating & evidence shown verbatim from Natural Medicines

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
Rating & evidence shown verbatim from Natural Medicines

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
Rating & evidence shown verbatim from Natural Medicines

Oral yucca has only been evaluated in combination with other ingredients; its effect when used alone is unclear.

Insufficient Reliable Evidence To Rate Hypertension
Rating & evidence shown verbatim from Natural Medicines

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
Rating & evidence shown verbatim from Natural Medicines

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
Rating & evidence shown verbatim from Natural Medicines

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 condition
Allergic 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.

  1. Mahillon, V., Saussez, S., and Michel, O. High incidence of sensitization to ornamental plants in allergic rhinitis. Allergy 2006;61(9):1138-1140.
Urticaria Dermatologic
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

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.

Pregnancy & Breastfeeding

Yucca & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using.

Yucca & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 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.

  1. <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>
  2. 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.
  3. Mahillon, V., Saussez, S., and Michel, O. High incidence of sensitization to ornamental plants in allergic rhinitis. Allergy 2006;61(9):1138-1140. PubMed
Keep reading

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

Product directory

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.

3 in 1 Formula by Mountain Meadow Herbs Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions ActivJoint by Trace Minerals Research Tablet Or Pill 180 Tablet(s) View ingredients & interactions ActivJoint Platinum by Trace Minerals Research Tablet Or Pill 90 Tablet(s) View ingredients & interactions ActivJoint Platinum by Trace Minerals Tablet Or Pill 180 Tablet(s) View ingredients & interactions ActivJoint Plus by Trace Minerals Research Tablet Or Pill 180 Tablet(s) View ingredients & interactions Advanced Joint Relief by Absorb Health Capsule 90 Capsule(s) View ingredients & interactions All Day Energy Green Zing by IVL Institute for Vibrant Living Powder 10 oz. · 285 g View ingredients & interactions Allevi-Ritis by Mountain Meadow Herbs Liquid 4 Fluid Ounce View ingredients & interactions Allevi-Ritis by Mountain Meadow Herbs Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Aloe Vera 500 mg with Yucca by herbscience Other (e.g. Tea Bag) 60 Caplet(s) View ingredients & interactions AR-1 Powder by Christopher's Original Formulas Powder 16 Ounce(s) View ingredients & interactions ART-C by Pure Herbs Liquid 1 Fluid Ounce(s) · 30 mL View ingredients & interactions ART-C by Pure Herbs Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Arthaffect by Reliv Powder 9 oz. View ingredients & interactions Arthaffect by Reliv Powder 9 Ounce(s) View ingredients & interactions Arthaffect by Reliv Powder 9 Ounce(s) View ingredients & interactions ARTHOJoint by Wonder Laboratories Tablet Or Pill 100 Tablet(s) View ingredients & interactions ARTHOJoint by Wonder Laboratories Tablet Or Pill 100 Tablet(s) View ingredients & interactions ARTHOJoint by Wonder Laboratories Tablet Or Pill 250 Tablet(s) View ingredients & interactions ARTHOJoint by Wonder Laboratories Tablet Or Pill 250 Tablet(s) View ingredients & interactions Arthoplex by DC Tablet Or Pill 90 Tablet(s) View ingredients & interactions Arthoplex by DC Tablet Or Pill 250 Tablet(s) View ingredients & interactions Arthoplex by DC Tablet Or Pill 90 Tablet(s) View ingredients & interactions Arthoplex by DC Tablet Or Pill 90 Tablet(s) View ingredients & interactions
Pharmacist Counseling Corner

Yucca: Common Questions

What is Yucca used for, and does it work?
People use Yucca for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Yucca interact with prescription medications?
We do not currently list any known drug interactions for Yucca. This does not guarantee that none exist, so always confirm with your pharmacist before combining it with your medications.
How are Yucca interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Yucca with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Yucca interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Yucca used for?
People most often use Yucca for joint pain, arthritis, inflammation, and digestion. The scientific evidence for these uses is limited, so it should not replace proven treatments.
Is Yucca the same as yuca or cassava?
No. Yucca is a desert flowering plant, while yuca (cassava) is a starchy root vegetable from an unrelated plant. The similar spelling causes a lot of confusion.
Is Yucca safe to take?
Yucca has been used in foods for a long time and is generally considered low-risk in small amounts, but supplement safety is not well studied. The main reported side effects are stomach upset and diarrhea.
Can I take Yucca if I am pregnant or breastfeeding?
It is best to avoid Yucca supplements during pregnancy and breastfeeding because there is not enough safety information. Always check with your doctor first.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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