Drug & supplement interaction

Rutin + Insulin

Insulin brand name: NovoRapid Insulin.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Rutin has a moderate interaction with Insulin. Theoretically, taking rutin with antidiabetes drugs might increase the risk of hypoglycemia.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Rutin and Insulin

Here is the interaction we found between these two, with the evidence behind it.

Moderate

ANTIDIABETES DRUGS

Why this applies to Insulin

Insulin falls under ANTIDIABETES DRUGS — the group Rutin interacts with.

Theoretically, taking rutin with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research suggests that rutin has hypoglycemic effects.
Severity Moderate Likelihood Possible Evidence D

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.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the gist: insulin already lowers your blood sugar, and some early research (mostly in animals) hints that rutin may nudge blood sugar down a little too. Put them together and the worry is that your sugar could drop lower than you intend, which we call hypoglycemia. That can show up as shakiness, sweating, a racing heart, confusion, or feeling lightheaded.

I want to keep this in perspective though. This is a theoretical concern based on lab and animal studies, not strong human evidence, so it may not amount to much in real life. Still, if you decide to use rutin while on insulin, it's smart to check your sugars a bit more closely at first and let your pharmacist or doctor know so they can keep an eye on things with you.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Sun C, Wang L, Sun J, Wang Z, Tang Z. Hypoglycemic and hypolipidemic effects of rutin on hyperglycemic rats. J Tradit Chin Med. 2020;40(4):640-645.

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction 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.
  • PossibleInteraction 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.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Rutin Also Interacts With Other Medications

Rutin has 85 moderate known drug interactions in our database — the Insulin one above is one of them. If you take anything else, check it against the full list below.

Moderate 85 No known interaction 2,745 (incl. Insulin)
Taking anything else?

Check Another of Your Medications Against Rutin

Covers the 2,830 medications we’ve checked against Rutin. Pick one to open its full report.

From our Q&A

Questions About Rutin or Insulin

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Rutin or Insulin, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Insulin

This page covers Rutin only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Insulin page lists 242 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Chelation Therapy Products (major), Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate) and Agaricus Mushroom (moderate).

By severity: 2 major · 211 moderate · 29 minor.

From our pharmacist’s overview on the Insulin page

“Someone injecting insulin (NovoRapid) is often the same person browsing supplements sold for blood sugar support, which is exactly why this list warrants genuine caution. Nearly all 242 entries push glucose one way or the other, most often further down, stacking with insulin and raising the risk of hypoglycemia, meaning dangerously low…”

Reviewed by 2 · Jul 18, 2026

Open the Insulin interaction page

One more smart check

Taking Rutin as Part of a Dietary Supplement Product? Check It for Interactions

We hold 3,711 real supplement products containing Rutin, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Rutin. Your product may carry other ingredients that interact with Insulin too, on top of Rutin — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Rutin and Insulin Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Rutin
Top 10%

#89 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Insulin
Top 25%

#566 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Supplement

About Rutin

What is Rutin?

  • Varicose veins and chronic venous insufficiency
  • Hemorrhoids
  • Easy bruising and fragile capillaries
  • Swelling (edema) in the legs
  • General antioxidant support

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.

Read the full Rutin monograph & all interactions
Keep checking

Other Drugs & Rutin

Browse every other medication we’ve checked against Rutin — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
85Moderate
0Minor
2,744No known interaction
85 Moderate 2,744 No interaction
Moderate

85 interactions

Showing 60 of 85 moderate interactions — see all 85 on the Rutin page.

No interaction 2,744 drugs checked — show the list

We also checked Rutin against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,744 medications checked with no known interaction — see the full Rutin list.

See the full Rutin interactions page
See every supplement checked against Insulin, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

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

Keep exploring
Rutin monograph › Uses, safety, and every drug interaction in one place Insulin supplement interactions › Every supplement checked against Insulin, ranked by severity Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Rutin and Insulin Together: Common Questions

Can you take Rutin with Insulin?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Rutin and Insulin interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

Still Have a Question About Insulin and Rutin?

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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.