Herb & supplement monograph

Dragon Fruit Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by ·Updated July 2026
What is this page for?

First and foremost: how Dragon Fruit interacts with medications. The heart of this page is the interaction list — every drug Dragon Fruit is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Dragon Fruit 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 Dragon Fruit against your medication

Add one medication
Dragon Fruit
+
Start typing any prescription or over-the-counter drug name.
Reviewed by licensed pharmacists Sourced from Natural Medicines
On this page

Dragon Fruit Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Dragon Fruit drug interaction appears low for most people, with the main caution applying to those who take medications for diabetes. None of the listed interactions are rated major, and all of them stem from a single concern: dragon fruit's possible effect on blood sugar.

Interactions deserving the most attention

The interactions that matter most involve diabetes medications such as insulin, metformin, glyburide, glimepiride, and pioglitazone. Dragon fruit might lower blood glucose on its own, so combining it with these drugs could theoretically push blood sugar too low in some people. Because blood sugar is closely monitored and small changes can matter, this is the one area where we would watch for symptoms of low blood sugar, even though the effect has not been confirmed in well-controlled human studies.

What the rest of the list means

Although the list of interacting medications looks long, nearly all of it reflects this one blood-sugar concern applied across many individual diabetes drugs. The evidence comes from early research rather than proven effects in people, so a long list here does not mean every combination has caused real-world harm.

Check your medications against Dragon Fruit

Based on HelloPharmacist’s Dragon Fruit interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Dragon Fruit

86 medications have a known interaction with Dragon Fruit, graded by severity. Select any drug for the full evidence-based detail.

2,830 drugs
AcarboseGlucobay, Prandase, Precose› AcetohexamideDymelor› AlbiglutideTanzeum› AlogliptinNesina› Alogliptin, MetforminKazano› Alogliptin, PioglitazoneOseni› Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi› CanagliflozinInvokana› Canagliflozin, MetforminInvokamet› Canagliflozin, Metformin HydrochlorideInvokamet XR› ChlorpropamideChlorpropam, Diabinese› DapagliflozinFarxiga› Dapagliflozin Propanediol, MetforminXigduo XR› Dapagliflozin Propanediol, Saxagliptin HydrochlorideQtern› Dapagliflozin, Metformin Hydrochloride, Saxagliptin HydrochlorideQternmet XR› Dasiglucagon HydrochlorideZegalogue› DulaglutideTrulicity› EmpagliflozinJardiance› Empagliflozin, Linagliptin, Metformin HydrochlorideTrijardy XR› Empagliflozin, MetforminSynjardy› Empagliflozin, Metformin HydrochlorideSynjardy XR› ErtugliflozinSteglatro› Ertugliflozin, Metformin HydrochlorideSegluromet› ExenatideBydureon, Byetta› Exenatide SyntheticBydureon BCISE› GliclazideDiamicron› GlimepirideAmaryl› GlipizideGlucotrol, Glucotrol XL› Glipizide, MetforminMetaglip› GlucagonBaqsimi, Glucagon›
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 Dragon Fruit combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The big picture

The kinds of drugs Dragon Fruit affects

Every type of medication (drug category) Dragon Fruit is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Dragon Fruit interacts with
Antidiabetes Drugs
Antidiabetes Drugs

Dragon fruit might lower blood glucose levels. Theoretically, it might have additive effects when used with antidiabetes drugs. This might increase the risk of hypoglycemia in some patients. Dose adjustments to diabetes medications might be necessary.
Some antidiabetes drugs include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, metformin (Glucophage), pioglitazone (Actos), rosiglitazone (Avandia), and others.

Likelihood Possible Evidence B
Monograph

Dragon Fruit: Uses, Safety & Side Effects

Medically reviewed by · Reviewed July 2026 ·
The bottom line

Dragon fruit is a colorful tropical fruit that is a nutritious, low-calorie source of fiber, vitamin C, and antioxidants. It is safe and healthy to eat as a food for most people, but strong human evidence that supplements or extracts treat any disease is lacking. Enjoy it as part of a balanced diet, and talk to your pharmacist before using concentrated supplements.

Scientific name
Hylocereus undatus
Family
Cactaceae
Part used
Fruit (pulp and seeds); sometimes flower and peel
Common forms
Fresh fruit, juice, smoothies, dried fruit, powder, capsules, and supplements
People commonly use it for
  • General nutrition and antioxidant support
  • Digestive health and regularity
  • Blood sugar support
  • Heart and cholesterol health
  • Immune support

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallLikely safe

Dragon fruit is widely eaten as a food and is generally safe for most people.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using amounts greater than those found in food.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using amounts greater than those found in food.

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.

Jump to a section

Overview

Dragon fruit, also called pitaya or pitahaya, is the fruit of several climbing cactus plants in the genus Hylocereus. It grows in tropical and subtropical regions, including parts of Central and South America, Southeast Asia, and other warm climates. The fruit has a bright pink or yellow outer skin with green scale-like flaps and a soft inner pulp that may be white, pink, or deep red, dotted with tiny edible black seeds.

People mostly enjoy dragon fruit as a fresh food. It is added to smoothies, fruit bowls, juices, and desserts. It is also sold dried, as a powder, and in some supplement capsules. The fruit is naturally low in calories and provides fiber, vitamin C, and plant pigments that act as antioxidants.

How it works

Dragon fruit contains several compounds that may explain its proposed benefits. These include dietary fiber, vitamin C, and natural pigments such as betalains (in red-fleshed types) and other antioxidant plant chemicals.

Fiber adds bulk to stool and feeds helpful gut bacteria, which may support digestion. Antioxidants like vitamin C and betalains can help neutralize unstable molecules called free radicals in the body. The seeds also contain small amounts of healthy fats.

It is important to know that much of the research on these compounds comes from laboratory and animal studies. These findings do not always translate into measurable health benefits in people, so the way dragon fruit works in the human body is not fully proven.

Effectiveness

Does Dragon Fruit work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by .

Evidence overview · 2 uses evaluated
2 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 Dragon Fruit, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 2 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Diabetes
Rating & evidence shown verbatim from Natural Medicines

A pooled analysis of three preliminary clinical studies in patients with type 2 diabetes shows that taking dragon fruit does not reduce fasting blood glucose or postprandial glucose levels when compared with no treatment. However, a sub-analysis found that dragon fruit 600 mg daily, but not 180 mg or 400 mg daily, for 4 weeks improves fasting blood glucose when compared with control. Similarly, dragon fruit juice 200 grams daily, but not 100 grams daily, for 10 days improves postprandial glucose when compared with control. The validity of these findings is limited by the small size of the included studies and the variable doses and formulations evaluated.

Sources Ref 100957
Insufficient Reliable Evidence To Rate Impaired glucose tolerance (prediabetes)
Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research in adults with prediabetes shows that taking dragon fruit powder 100 grams daily, but not 60 grams or 80 grams daily, reduces fasting blood glucose by 17.5 mg/dL when compared with control.

Sources Ref 100957

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

Dragon fruit is widely eaten and is considered safe for most people when consumed as a food. It is naturally low in calories and is a good source of fiber and vitamin C.

People with allergies to other fruits should introduce dragon fruit carefully, since allergic reactions, although uncommon, are possible. If you have diabetes or take medicine that affects blood sugar, talk to your pharmacist or doctor before using concentrated dragon fruit supplements, since the fruit may affect blood sugar.

Pregnancy and breastfeeding: Eating normal food amounts of dragon fruit is generally considered fine. However, concentrated supplements, extracts, or powders have not been well studied during pregnancy or breastfeeding. To be safe, avoid supplement forms during these times unless your doctor or pharmacist approves.

Side effects

For most people, dragon fruit causes few or no side effects when eaten as a normal food. Eating large amounts may cause mild digestive symptoms such as bloating, gas, or loose stools because of the fiber content.

Eating red or pink dragon fruit can sometimes turn the urine or stool a reddish-pink color. This is harmless and goes away on its own, but it can be alarming if you are not expecting it.

Allergic reactions are rare but possible. Stop using it and seek medical care if you notice hives, swelling, trouble breathing, or other signs of a serious allergic reaction.

Dragon Fruit: Reported Adverse Effects

Documented safety reports on Dragon Fruit from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

There is currently a limited amount of information available about the adverse effects of dragon fruit when used as a medicine. It is commonly consumed as a food in various countries around the world. Allergy to dragon fruit has been reported in case reports.

  1. Kleinheinz A, Lepp U, Hausen BM, Petersen A, Becker WM. Anaphylactic reaction to (mixed) fruit juice containing dragon fruit. J Allergy Clin Immunol. 2009 Oct;124(4):841-2.
Reports by condition
Allergic rhinitis (hay fever) Immunologic

Allergy to dragon fruit has been reported in case reports with symptoms including vomiting, swollen tongue, skin redness, and hives.

  1. Kleinheinz A, Lepp U, Hausen BM, Petersen A, Becker WM. Anaphylactic reaction to (mixed) fruit juice containing dragon fruit. J Allergy Clin Immunol. 2009 Oct;124(4):841-2.
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 official or standardized dose of dragon fruit. As a food, it is simply eaten in normal serving sizes, like any other fruit.

For supplements, powders, or capsules, there is no proven effective dose. If you choose to use a product, follow the directions on the label and do not exceed the recommended amount. Because supplement strength and quality can vary between brands, it is a good idea to check with your pharmacist before starting any concentrated dragon fruit product, especially if you have a health condition or take medication.

Pregnancy & Breastfeeding

Dragon Fruit & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using amounts greater than those found in food.

Dragon Fruit & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using amounts greater than those found in food.

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 2 references that drive our Dragon Fruit 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. Kleinheinz A, Lepp U, Hausen BM, Petersen A, Becker WM. Anaphylactic reaction to (mixed) fruit juice containing dragon fruit. J Allergy Clin Immunol. 2009 Oct;124(4):841-2. PubMed
  2. Poolsup N, Suksomboon N, Paw NJ. Effect of dragon fruit on glycemic control in prediabetes and type 2 diabetes: a systematic review and meta-analysis. PLoS One. 2017;12(9):e0184577. 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

Brand directory

Brands that make products with Dragon Fruit

7 brands in our database make a supplement containing Dragon Fruit.

Product directory

Supplement products with Dragon Fruit

13 products in our database contain Dragon Fruit. Open any to see its full ingredient list and every drug interaction we check.

Pharmacist Counseling Corner

Dragon Fruit: Common Questions

What is Dragon Fruit used for, and does it work?
People use Dragon Fruit 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 Dragon Fruit interact with prescription medications?
Yes. We list 86 medications with a known interaction with Dragon Fruit. Use the checker above to see how Dragon Fruit interacts with a specific drug.
How are Dragon Fruit 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 Dragon Fruit 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 Dragon Fruit 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.
Is Dragon Fruit good for you?
Yes, Dragon Fruit is a nutritious, low-calorie fruit that provides fiber, vitamin C, and antioxidants. It is a healthy choice as part of a balanced diet, though it is not a cure for any disease.
Can Dragon Fruit help with blood sugar or weight loss?
Some early research has looked at Dragon Fruit and blood sugar, but the evidence is limited and not strong. As a low-calorie, high-fiber food it can fit into a healthy eating plan, but it is not a proven treatment.
Why did my urine turn pink after eating Dragon Fruit?
Red or pink Dragon Fruit contains natural pigments that can temporarily tint urine or stool a reddish-pink color. This is harmless and goes away on its own.
Is it safe to eat Dragon Fruit during pregnancy?
Eating Dragon Fruit as a normal food is generally considered fine during pregnancy. Concentrated supplements or extracts have not been well studied, so it's best to avoid those and check with your doctor or pharmacist.

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

Keep exploring

Products that contain Dragon Fruit

A rotating sample of real supplements in our database that list Dragon Fruit — open any to see its full ingredients and every drug interaction we check.

See all 13 products with Dragon Fruit →
Where next
Supplement interaction checkerCheck any supplement or product against your medications Drug–drug interactionsCheck two or more of your medications against each other Browse medications A–ZEvery drug we’ve checked against herbs & supplements NDC & pricing lookupFind a drug’s NDCs, packaging and costs Ask a pharmacistFree, personal answer from our licensed team

Have a question about Dragon Fruit?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist