Drug & supplement interaction

Korean Pine + Carvedilol

Carvedilol brand names: Coreg, Coreg CR.

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

Korean Pine has a moderate interaction with Carvedilol. Animal research shows that Korean pine nut oil reduces blood pressure in spontaneously hypertensive rats.

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

Korean Pine and Carvedilol

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

Moderate

ANTIHYPERTENSIVE DRUGS

Why this applies to Carvedilol

Carvedilol falls under ANTIHYPERTENSIVE DRUGS — the group Korean Pine interacts with.

Animal research shows that Korean pine nut oil reduces blood pressure in spontaneously hypertensive rats. Theoretically, Korean pine may increase the risk of hypotension when used in combination with drugs that lower blood pressure.
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 with carvedilol and Korean pine. Carvedilol already does the heavy lifting of lowering your blood pressure and slowing your heart rate. The concern on file is that Korean pine, mostly in concentrated pine nut oil form, may nudge blood pressure down a little too. So in theory, stacking the two could add up and push your numbers lower than intended.

I want to be honest about how soft this evidence is: it comes from animal research, not solid human studies, so it's really just a theoretical concern. Eating pine nuts as food is very unlikely to matter. If you ever take concentrated pine extracts or oils, just watch for dizziness, lightheadedness, or feeling faint when you stand up, and check in with your pharmacist or doctor first.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Sugano M, Ikeda I, Wakamatsu K, Oka T. Influence of Korean pine (Pinus koraiensis)-seed oil containing cis-5,cis-9,cis-12-octadecatrienoic acid on polyunsaturated fatty acid metabolism, eicosanoid production and blood pressure of rats. Br J Nutr 1994;72(5

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

Korean Pine Also Interacts With Other Medications

Korean Pine has 171 moderate known drug interactions in our database — the Carvedilol one above is one of them. If you take anything else, check it against the full list below.

Moderate 171 No known interaction 2,659 (incl. Carvedilol)
Taking anything else?

Check Another of Your Medications Against Korean Pine

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

From our Q&A

Questions About Korean Pine or Carvedilol

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Korean Pine or Carvedilol, 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 Carvedilol

This page covers Korean Pine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Carvedilol page lists 211 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), American Mistletoe (major), Grapefruit (major) and Indian Snakeroot (major).

By severity: 6 major · 171 moderate · 34 minor.

From our pharmacist’s overview on the Carvedilol page

“People take carvedilol (Coreg) for heart failure and high blood pressure, conditions where a sudden swing in pressure or heart rate matters, and its supplement list runs to 211 ingredients, so this one calls for genuine care. More than half of those entries lower blood pressure on their own, fish oil and celery seed among them, and can…”

Reviewed by 2 · Jul 18, 2026

Open the Carvedilol interaction page

One more smart check

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

We hold 2 real supplement products containing Korean Pine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Korean Pine. Your product may carry other ingredients that interact with Carvedilol too, on top of Korean Pine — 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 Korean Pine and Carvedilol 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 Korean Pine
Steady interest

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

29 days ago today
Medication Carvedilol
Top 25%

#696 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 Korean Pine

What is Korean Pine?

  • Appetite control and weight management
  • Heart and cholesterol health
  • General nutrition and energy
  • Skin and antioxidant support
  • Cough and respiratory comfort (traditional)

Korean Pine is best known as the source of edible pine nuts and pine nut oil, which are nutritious foods rich in healthy fats. While some early research looks at pine nut oil for appetite and cholesterol, strong human evidence for any specific health benefit is limited. Treat it mainly as a food, and check with your pharmacist or doctor before using concentrated extracts.

Read the full Korean Pine monograph & all interactions
Medication

About Carvedilol

What Is Carvedilol Used For?

Brand names: Coreg, Coreg CR

Carvedilol is used to treat three main conditions: mild to severe chronic heart failure, high blood pressure (hypertension), and left ventricular dysfunction (reduced pumping ability of the heart's main chamber) in people who have survived a heart attack. For heart failure, it is typically used alongside other medications such as diuretics, ACE inhibitors, and digitalis to help improve survival and reduce hospital stays.

For people who have had a heart attack with reduced heart function, carvedilol is used to lower the risk of dying from cardiovascular causes. For high blood pressure, it can be used alone or combined with other blood pressure medications.

See full Carvedilol drug information
Keep checking

Other Drugs & Korean Pine

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

0Major
171Moderate
0Minor
2,658No known interaction
171 Moderate 2,658 No interaction
Moderate

171 interactions

Showing 60 of 171 moderate interactions — see all 171 on the Korean Pine page.

No interaction 2,658 drugs checked — show the list

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

Showing the 60 most looked-up of 2,658 medications checked with no known interaction — see the full Korean Pine list.

See the full Korean Pine interactions page
See every supplement checked against Carvedilol, 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
Korean Pine monograph › Uses, safety, and every drug interaction in one place Carvedilol supplement interactions › Every supplement checked against Carvedilol, ranked by severity Carvedilol drug information › The full plain-English guide to this medication 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 Korean Pine and Carvedilol Together: Common Questions

Can you take Korean Pine with Carvedilol?
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 Korean Pine and Carvedilol 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 Carvedilol and Korean Pine?

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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.