Drug & supplement interaction

Agmatine + Tirzepatide

Tirzepatide brand names: Mounjaro, Zepbound.

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

Agmatine has a moderate interaction with Tirzepatide. Theoretically, agmatine might increase the risk of hypoglycemia when taken with antidiabetes drugs.

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

Agmatine 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 Agmatine interacts with.

Theoretically, agmatine might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal and in vitro research suggest that agmatine has mild 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

Tirzepatide (Mounjaro) already works to bring your blood sugar down, so the concern here is simply additive. The thinking is that agmatine may have its own mild blood-sugar-lowering action, and stacking it on top of your tirzepatide could nudge your sugar a little lower than expected. That might show up as shakiness, sweating, dizziness, or feeling unusually hungry or tired.

I want to be honest about the strength of this, though: it's theoretical, drawn mostly from animal and lab studies, not from people. For most folks it likely won't cause trouble. Still, if you decide to use agmatine, it's smart to keep an eye on your glucose and let your pharmacist or doctor know before you start, so they can guide you.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Piletz JE, Aricioglu F, Cheng JT, et al. Agmatine: clinical applications after 100 years in translation. Drug Discov Today 2013;18(17-18):880-93. 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

Agmatine Also Interacts With Other Medications

Agmatine has 257 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 257 No known interaction 2,573 (incl. Tirzepatide)
Taking anything else?

Check Another of Your Medications Against Agmatine

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

Everything else you take

See Every Supplement That Interacts With Tirzepatide

This page covers Agmatine 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 Agrimony (moderate).

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

Open the Tirzepatide interaction page

One more smart check

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

We hold 1,058 real supplement products containing Agmatine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Agmatine. Your product may carry other ingredients that interact with Tirzepatide too, on top of Agmatine — 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 Agmatine 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 Agmatine
Top 25%

#159 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 Agmatine

What is Agmatine?

Agmatine
  • Pre- and post-workout support
  • Muscle pumps and exercise performance
  • Cognitive support and mood
  • Nerve pain
  • General well-being

Agmatine is a compound your body makes from the amino acid arginine, and it is sold mainly as a workout and 'pump' supplement. Human evidence for most of its claimed benefits is limited and preliminary, so its true effects are uncertain. If you want to try it, talk with your pharmacist or doctor first, especially if you have health conditions or take other medicines.

Read the full Agmatine 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 & Agmatine

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

0Major
257Moderate
0Minor
2,572No known interaction
257 Moderate 2,572 No interaction
Moderate

257 interactions

Showing 60 of 257 moderate interactions — see all 257 on the Agmatine page.

No interaction 2,572 drugs checked — show the list

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

Showing the 60 most looked-up of 2,572 medications checked with no known interaction — see the full Agmatine list.

See the full Agmatine 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
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Pharmacist Counseling Corner

Taking Agmatine and Tirzepatide Together: Common Questions

Can you take Agmatine 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 Agmatine 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 Agmatine?

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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.