Herb & supplement monograph

Chokeberry Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS ·Updated July 2026

What is this page for?

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

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

Add one medication

✓ Supplement

Chokeberry

1 Your medication

Start typing any prescription or over-the-counter drug name.

Reviewed by licensed pharmacists Sourced from Natural Medicines

On this page

Chokeberry 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 Chokeberry drug interaction appears low for most people. None of the listed interactions are rated major, and none have been confirmed in well-controlled human studies.

Interactions deserving the most attention

The best-supported concern involves anticoagulant and antiplatelet drugs, since human and lab research shows chokeberry can temporarily slow platelet clumping, which could add to bleeding risk. People taking diabetes medications should watch for low blood sugar, though the evidence conflicts, with some studies showing lower glucose and others no effect. There is also one report of a serious muscle reaction in a patient taking the cancer drug trabectedin with chokeberry juice, possibly because chokeberry slowed the drug's breakdown.

What the rest of the list means

The long list of medications largely reflects lab research suggesting chokeberry may block an enzyme the body uses to clear many drugs, an effect supported in humans by only a single case report. A predicted interaction is not the same as a proven one, and as the mixed blood sugar findings show, expected effects do not always produce meaningful changes in people.

Check your medications against Chokeberry

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

Interaction report

Drugs that interact with Chokeberry

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

Don’t want to scroll the list? Just ask.

Tell us the medications you take and we’ll check each one against Chokeberry using our pharmacist-reviewed interaction data.

AI summaries are generated from our Chokeberry interaction data for education only — always confirm with your pharmacist. How we use AI

2,830 drugs

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 Chokeberry 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 Chokeberry affects

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

All 4 drug categories Chokeberry interacts with

Anticoagulant/antiplatelet DrugsAntidiabetes DrugsCytochrome P450 3a4 (cyp3a4) SubstratesTrabectedin (yondelis)

Anticoagulant/Antiplatelet Drugs

Theoretically, chokeberry might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
Clinical and in vitro research suggests that chokeberry extract can temporarily inhibit platelet aggregation and decrease clot formation.

Likelihood Possible Evidence B

Antidiabetes Drugs

Theoretically, chokeberry might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Some clinical research shows that chokeberry decreases levels of blood glucose in some patients with diabetes. However, other clinical research suggests that chokeberry has no significant effect on blood glucose levels.

Likelihood Possible Evidence B

Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, chokeberry might increase levels of drugs metabolized by CYP3A4.
In vitro research shows that chokeberry inhibits CYP3A4. In humans, there is one case report of a drug interaction with trabectedin, a CYP3A4 substrate, which is hypothesized to have been caused by chokeberry inhibition of CYP3A4.

Likelihood Possible Evidence D

Trabectedin (Yondelis)

Theoretically, chokeberry might increase the effects and adverse effects of trabectedin.
In one case report, a patient drinking chokeberry juice developed rhabdomyolysis induced by trabectedin, a cytochrome P450 3A4 (CYP3A4) substrate. It is possible that inhibition of CYP3A4 by chokeberry juice might have inhibited the metabolism of trabectedin and increased trabectedin levels in this patient.

Likelihood Possible Evidence D

Monograph

Chokeberry: Uses, Safety & Side Effects

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Reviewed July 2026 ·

The bottom line

Chokeberry (aronia) is a dark berry rich in antioxidants called polyphenols, and it's widely eaten as juice, jam, and supplements. Early research hints it may support heart health, blood pressure, and blood sugar, but the evidence is still limited and far from proven. It's generally well tolerated as a food, but talk to your pharmacist or doctor before using concentrated supplements.

Scientific name: Aronia melanocarpa
Family: Rosaceae
Part used: Fruit (berries); sometimes leaves
Common forms: Juice, syrup, tea, dried berries, powder, capsules, extracts, jams, and wines

People commonly use it for

Antioxidant support
Heart and blood vessel health
Blood pressure support
Blood sugar support
Common cold symptoms
Anti-inflammatory support

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

Safety at a glance

OverallUse caution

Generally well tolerated as a food, but supplement safety is not well studied.

PregnancyUse caution

Food amounts are likely fine, but concentrated supplements have not been studied, so avoid them.

BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using in medicinal amounts.

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

Chokeberry, also called aronia, comes from a shrub that is native to North America but is widely grown in Eastern Europe and Russia. The most common type used for foods and supplements is black chokeberry (Aronia melanocarpa).

The small, dark berries have a tart, mouth-puckering taste, which is where the name "chokeberry" comes from. People often process them into juice, syrup, tea, jams, jellies, and even wines and spirits to soften the strong flavor.

Chokeberry has long been used in folk traditions, including for easing common cold symptoms. Today it is also sold as juice, powder, and capsules marketed mainly for its antioxidant content.

How it works

Chokeberries are loaded with polyphenols, especially anthocyanins (the pigments that make the berries dark) and proanthocyanidins. These compounds are thought to act as antioxidants, helping to neutralize unstable molecules called free radicals.

In lab and animal studies, these polyphenols appear to support healthy blood vessels, calm inflammation, and influence how the body handles blood sugar and fats. Some research suggests they may help blood vessels relax, which could affect blood pressure.

It's important to remember that most of these mechanisms come from test-tube and animal research. Showing an effect in a lab does not guarantee the same result in the human body.

Effectiveness

Does Chokeberry work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by Dr. Brian Staiger, PharmD.

Evidence overview · 16 uses evaluated

1 Leans ineffective 15 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.

Possibly Ineffective Cardiovascular disease (CVD)