Drug & supplement interaction

Mangosteen + Antithrombin III

Antithrombin III brand name: Thrombate III.

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

Mangosteen has a moderate interaction with Antithrombin III. Theoretically, concomitant use of mangosteen with anticoagulant or antiplatelet drugs may increase the risk of bleeding.

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

Mangosteen and Antithrombin III

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

Moderate

ANTICOAGULANT/ANTIPLATELET DRUGS

Why this applies to Antithrombin III

Antithrombin III falls under ANTICOAGULANT/ANTIPLATELET DRUGS — the group Mangosteen interacts with.

Theoretically, concomitant use of mangosteen with anticoagulant or antiplatelet drugs may increase the risk of bleeding.
In vitro and animal research shows that gamma-mangostin, a constituent of mangosteen, is a potent and competitive antagonist of the serotonin 2A (5-HT2A) receptor. Antagonism of the 5-HT2A receptor is believed to reduce platelet aggregation.
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 short version: Antithrombin III (Thrombate III) is a blood thinner given by IV, usually to prevent clots in people who are low on this natural protein. Mangosteen doesn't change how this medicine is processed in your body. Instead, lab and animal studies hint that a compound in mangosteen (gamma-mangostin) may make platelets a little less sticky, which could add to the clot-slowing effect you already get from Antithrombin III.

Put simply, stacking the two might nudge your bleeding risk up a bit, things like easier bruising, nosebleeds, or bleeding that's slow to stop. Keep in mind this is theoretical and based only on lab work, not on people. Eating the fruit is unlikely to matter, but before using concentrated mangosteen supplements, please check with your doctor or pharmacist.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Chairungsrilerd N, Furukawa K, Ohta T, et al. Histaminergic and serotonergic receptor blocking substances from the medicinal plant Garcinia mangostana. Planta Med 1996;62:471-2.
  2. Furukawa, K., Chairungsrilerd, N., Ohta, T., Nozoe, S., and Ohizumi, Y. [Novel types of receptor antagonists from the medicinal plant Garcinia mangostana]. Nippon Yakurigaku Zasshi 1997;110 Suppl 1:153P-158P. PubMed
  3. Chairungsrilerd, N., Furukawa, K., Tadano, T., Kisara, K., and Ohizumi, Y. Effect of gamma-mangostin through the inhibition of 5-hydroxy-tryptamine2A receptors in 5-fluoro-alpha-methyltryptamine-induced head-twitch responses of mice. Br J Pharmacol. 1998

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

Mangosteen Also Interacts With Other Medications

Mangosteen has 121 moderate, 3 minor known drug interactions in our database — the Antithrombin III one above is one of them. If you take anything else, check it against the full list below.

Moderate 121 Minor 3 No known interaction 2,706 (incl. Antithrombin III)
Taking anything else?

Check Another of Your Medications Against Mangosteen

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

Everything else you take

See Every Supplement That Interacts With Antithrombin III

This page covers Mangosteen only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Antithrombin III page lists 218 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Danshen (major), Piracetam (major), Aconite (moderate) and Allspice (moderate).

By severity: 3 major · 190 moderate · 25 minor.

Open the Antithrombin III interaction page

One more smart check

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

We hold 1,201 real supplement products containing Mangosteen, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Mangosteen. Your product may carry other ingredients that interact with Antithrombin III too, on top of Mangosteen — 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 Mangosteen and Antithrombin III 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 Mangosteen
Top 25%

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

29 days ago today
Medication Antithrombin III
Top 25%

#451 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 Mangosteen

What is Mangosteen?

Mangosteen
  • Antioxidant support
  • Anti-inflammatory support
  • Immune support
  • Skin health
  • General wellness

Mangosteen is a tropical fruit whose rind is rich in plant compounds called xanthones that act as antioxidants. While it is popular in juices and supplements for inflammation, immune support, and general wellness, strong human evidence for these benefits is limited. It is likely fine as a food, but talk with your pharmacist or doctor before using concentrated supplements.

Read the full Mangosteen monograph & all interactions
Keep checking

Other Drugs & Mangosteen

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

0Major
121Moderate
3Minor
2,705No known interaction
121 Moderate 3 Minor 2,705 No interaction
Moderate

121 interactions

Showing 60 of 121 moderate interactions — see all 121 on the Mangosteen page.

Minor

3 interactions

No interaction 2,705 drugs checked — show the list

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

Showing the 60 most looked-up of 2,705 medications checked with no known interaction — see the full Mangosteen list.

See the full Mangosteen interactions page
See every supplement checked against Antithrombin III, 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
Mangosteen monograph › Uses, safety, and every drug interaction in one place Antithrombin III supplement interactions › Every supplement checked against Antithrombin III, 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 Mangosteen and Antithrombin III Together: Common Questions

Can you take Mangosteen with Antithrombin III?
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 Mangosteen and Antithrombin III 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 Antithrombin III and Mangosteen?

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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.