Drug & supplement interaction

Jambolan + Tirzepatide

Tirzepatide brand names: Mounjaro, Zepbound.

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

Jambolan has a moderate interaction with Tirzepatide. Animal research shows that jambolan seed and bark extracts can lower blood glucose levels.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
Know someone taking this? Share
Facebook Post Reddit Email
On this page
Interaction report

Jambolan and Tirzepatide

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

Moderate

ANTIDIABETES DRUGS

Why this applies to Tirzepatide

Tirzepatide falls under ANTIDIABETES DRUGS — the group Jambolan interacts with.

Animal research shows that jambolan seed and bark extracts can lower blood glucose levels. Theoretically, jambolan might have additive effects when used with antidiabetes drugs. This might increase the risk of hypoglycemia in some patients. Monitor blood glucose levels closely.
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 simple version: tirzepatide (Mounjaro) already works to bring your blood sugar down. Jambolan, especially concentrated seed or bark extracts, may also nudge blood sugar lower based on early animal studies. Stack the two and the effects could add up, which raises the chance of low blood sugar (hypoglycemia). Watch for shakiness, sweating, dizziness, a fast heartbeat, or feeling confused or unusually hungry.

I want to be honest about the evidence though. This is theoretical and comes from lab and animal research, not solid human studies, so the real risk in people isn't well proven. Eating jambolan as fruit is unlikely to cause trouble; concentrated supplements are the bigger question. Before adding one, check with your pharmacist or doctor and keep an eye on your readings.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Sharma SB, Nasir A, Prabhu KM, et al. Hypoglycaemic and hypolipidemic effect of ethanolic extract of seeds of Eugenia jambolana in alloxan-induced diabetic rabbits. J Ethnopharmacol 2003;85:201-6. PubMed
  2. Sridhar SB, Sheetal UD, Pai MR, Shastri MS. Preclinical evaluation of the antidiabetic effect of Eugenia jambolana seed powder in streptozotocin-diabetic rats. Braz J Med Biol Res 2005;38:463-8. PubMed
  3. Villasenor IM, Lamadrid MR. Comparative anti-hyperglycemic potentials of medicinal plants. J Ethnopharmacol 2006;104:129-31. PubMed
  4. Vora A, Varghese A, Kachwala Y, et al. Eugenia jambolana extract reduces the systemic exposure of Sitagliptin and improves conditions associated with diabetes: A pharmacokinetic and a pharmacodynamic herb-drug interaction study. J Tradit Complement Med. 2 PubMed

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

Jambolan Also Interacts With Other Medications

Jambolan has 185 moderate known drug interactions in our database — the Tirzepatide one above is one of them. If you take anything else, check it against the full list below.

Moderate 185 No known interaction 2,645 (incl. Tirzepatide)
Taking anything else?

Check Another of Your Medications Against Jambolan

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

Everything else you take

See Every Supplement That Interacts With Tirzepatide

This page covers Jambolan only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tirzepatide page lists 239 supplements it has a documented interaction with, worst first, each one explained.

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

By severity: 1 major · 208 moderate · 30 minor.

Open the Tirzepatide interaction page

One more smart check

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

We hold 91 real supplement products containing Jambolan, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Jambolan. Your product may carry other ingredients that interact with Tirzepatide too, on top of Jambolan — 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 Jambolan and Tirzepatide 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 Jambolan
Top half

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

29 days ago today
Medication Tirzepatide
Top 1%

#20 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 Jambolan

What is Jambolan?

  • Blood sugar support
  • Digestive upset and diarrhea
  • Sore throat and mouth health
  • Antimicrobial
  • General antioxidant support

Jambolan (Syzygium cumini), also called Java plum or black plum, is a tropical fruit tree traditionally used for blood sugar and digestive complaints. Human evidence for these uses is limited and not strong, so it should not replace proven treatments like diabetes medication. The fruit is safe as food, but talk to your pharmacist or doctor before using concentrated supplements.

Read the full Jambolan monograph & all interactions
Medication

About Tirzepatide injection

What Is Tirzepatide injection Used For?

Brand names: Mounjaro, Zepbound

Zepbound is used alongside a reduced-calorie diet and increased physical activity to reduce excess body weight and maintain that weight loss long term in adults with obesity, or in adults who are overweight and have at least one weight-related health condition. Zepbound is also approved to treat moderate to severe obstructive sleep apnea (OSA) in adults with obesity.

Zepbound should not be combined with other tirzepatide-containing products or with any GLP-1 receptor agonist.

See full Tirzepatide injection drug information
Keep checking

Other Drugs & Jambolan

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

0Major
185Moderate
0Minor
2,644No known interaction
185 Moderate 2,644 No interaction
Moderate

185 interactions

Showing 60 of 185 moderate interactions — see all 185 on the Jambolan page.

No interaction 2,644 drugs checked — show the list

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

Showing the 60 most looked-up of 2,644 medications checked with no known interaction — see the full Jambolan list.

See the full Jambolan interactions page
See every supplement checked against Tirzepatide, 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
Jambolan monograph › Uses, safety, and every drug interaction in one place Tirzepatide supplement interactions › Every supplement checked against Tirzepatide, ranked by severity Tirzepatide injection 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 Jambolan and Tirzepatide Together: Common Questions

Can you take Jambolan with Tirzepatide?
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 Jambolan and Tirzepatide 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 Tirzepatide and Jambolan?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.