Herb & supplement monograph

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

But these pages have grown well beyond that into a full monograph — what Rutin 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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Rutin 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 Rutin drug interaction appears low for most people. None of the listed interactions are rated major, and the concerns identified so far come from animal research rather than well-documented human studies.

Interactions deserving the most attention

The interactions that deserve the most attention involve diabetes medications. Animal research suggests rutin may lower blood sugar on its own, so combining it with these drugs could, in theory, add to their effect and increase the chance of low blood sugar. This has not been confirmed in people, but blood sugar is a closely watched measure, so anyone using insulin or oral diabetes drugs should be aware of the possibility. Beyond this, no interaction in rutin's profile stands out as well established.

What the rest of the list means

Although rutin's interaction list covers dozens of medications, that number largely reflects one theoretical concern applied across many individual drugs. The evidence behind it comes from animal studies, not from documented problems in people taking these combinations. In other words, a long list here signals caution worth knowing about, not proven harm.

Check your medications against Rutin

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

Interaction report

Drugs that interact with Rutin

86 medications have a known interaction with Rutin, 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 Rutin using our pharmacist-reviewed interaction data.

AI summaries are generated from our Rutin 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 Rutin 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 Rutin affects

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

All 1 drug category Rutin interacts with

Antidiabetes Drugs

Theoretically, taking rutin with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research suggests that rutin has hypoglycemic effects.

Likelihood Possible Evidence D

Monograph

Rutin: Uses, Safety & Side Effects

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

The bottom line

Rutin is a plant flavonoid (often taken from buckwheat or citrus) that people use mainly for blood vessel and circulation problems like varicose veins and hemorrhoids. The evidence is limited and mostly preliminary, so it should not replace proven treatments. It is generally well tolerated, but talk to your pharmacist or doctor before starting it, especially if you are pregnant or breastfeeding.

Part used: A flavonoid found in many plants, such as buckwheat, citrus fruits, apples, and tea
Common forms: Tablets, capsules, powders, and combination supplements (sometimes with vitamin C or other bioflavonoids)

People commonly use it for

Varicose veins and chronic venous insufficiency
Hemorrhoids
Easy bruising and fragile capillaries
Swelling (edema) in the legs
General antioxidant 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 in food and short-term supplement use, but high-quality long-term safety data are limited.

PregnancyLikely Safe

When used orally in amounts commonly found in foods. There is insufficient reliable information available about the use of supplemental rutin; avoid a...

Read the full pregnancy detail

BreastfeedingLikely Safe

When used orally in amounts commonly found in foods. There is insufficient reliable information available about the use of supplemental rutin; avoid a...

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

Rutin is a natural plant compound called a flavonoid. Flavonoids are colorful plant chemicals that act as antioxidants. Rutin is found in many everyday foods, including buckwheat, apples, citrus fruits, figs, asparagus, and black tea.

As a supplement, rutin is usually sold in tablets, capsules, or powders. It is sometimes combined with vitamin C or other plant compounds called bioflavonoids. People have used rutin for a long time, mostly for problems related to blood vessels and circulation, such as varicose veins, swelling in the legs, and hemorrhoids.

How it works

Rutin is an antioxidant, meaning it may help protect cells from a type of damage caused by unstable molecules called free radicals. Researchers believe it may also help strengthen the walls of small blood vessels (capillaries) and reduce how easily they leak fluid, which is why it is studied for swelling and vein problems.

In the body, rutin is broken down into a related compound called quercetin, which may also have antioxidant and anti-inflammatory effects. It is important to know that most of this information comes from laboratory and animal studies. How well these effects apply to people taking rutin supplements is still not clear.

Effectiveness

Does Rutin 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

16 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 Rutin, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 16 conditions — evidence insufficient to rate

Insufficient Reliable Evidence To Rate Aging skin