Drug & supplement interaction

Brussels Sprout + Tirzepatide

Tirzepatide brand names: Mounjaro, Zepbound.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Brussels Sprout and Tirzepatide in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Brussels Sprout and Tirzepatide

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Tirzepatide and Brussels Sprout in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Brussels Sprout safety at a glance

Brussels Sprout overall Generally safe Generally safe and healthy when eaten as a normal food.
Pregnancy Generally safe Safe to eat in normal food amounts during pregnancy; concentrated supplements are not well studied.
Breastfeeding Generally safe Safe as a food while breastfeeding; concentrated extracts have not been studied.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Tirzepatide and Brussels Sprout? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Tirzepatide

Interactions in our licensed database are recorded against drug classes, not just single drug names. Tirzepatide is filed under a single classification — antidiabetes drugs. Brussels Sprout has documented interactions with 5 drug classes — the most serious being acetaminophen (tylenol, others) (moderate), cytochrome p450 1a2 (cyp1a2) substrates (moderate) and glucuronidated drugs (moderate) — and none of Tirzepatide’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Brussels Sprout Does Interact With Other Medications

Brussels Sprout has 241 moderate known drug interactions in our database — Tirzepatide isn’t one of them. If you take anything else, check it against the full list below.

Moderate 241 No known interaction 2,589 (incl. Tirzepatide)
Taking anything else?

Check Another of Your Medications Against Brussels Sprout

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

What to actually watch for

No Interaction Found — But Data Suggests Brussels Sprout and Tirzepatide May Share a Side Effect

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Bloating or gas Additional detail

    Brussels Sprout

    “Orally, Brussels sprout is generally well-tolerated when consumed in dietary amounts. Eating Brussels sprout or other types of fermentable carbohydrates can cause flatulence.”

    Brussels Sprout · Natural Medicines adverse-effect record, reported in flatulence.

    1 source cited
    1. 26470. Allaby RG, Peterson GW, Merriwether DA, Fu YB. Evidence of the domestication history of flax (Linum usitatissimum L.) from genetic diversity of the sad2 locus. Theor Appl Genet. 2005 Dec;112(1):58-65. PubMed

    “Orally, eating Brussels sprout or other types of fermentable carbohydrates can cause flatulence.”

    Brussels Sprout · Natural Medicines adverse-effect record, reported in flatulence.

    1 source cited
    1. 26470. Allaby RG, Peterson GW, Merriwether DA, Fu YB. Evidence of the domestication history of flax (Linum usitatissimum L.) from genetic diversity of the sad2 locus. Theor Appl Genet. 2005 Dec;112(1):58-65. PubMed

    Tirzepatide

    Listed in the ADVERSE REACTIONS section of the FDA label for Tirzepatide. Read the label on DailyMed ›

Effects for Tirzepatide come from the ADVERSE REACTIONS section of its FDA label; effects for Brussels Sprout come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 140,435 voluntary FDA FAERS reports for Tirzepatide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Overlapping uses

What Tirzepatide Is Prescribed For, and What Brussels Sprout Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Tirzepatide is a prescription medicine with approved uses on its FDA label. Brussels Sprout is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Tirzepatide is prescribed for: 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.

Brussels Sprout has been studied for:

  • Diabetes studied, not established Brussels Sprout has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Brussels Sprout for diabetes

    Population research has found that higher intake of cruciferous vegetables, including broccoli, cabbage, cauliflower, and Brussels sprout, is not associated with a reduced risk of developing type 2 diabetes.

    2 sources cited
    1. 26187. Liu S, Serdula M, Janket SJ, et al. A prospective study of fruit and vegetable intake and the risk of type 2 diabetes in women. Diabetes Care 2004;27(12):2993-6. PubMed
    2. 112088. Halvorsen RE, Elvestad M, Molin M, Aune D. Fruit and vegetable consumption and the risk of type 2 diabetes: a systematic review and dose-response meta-analysis of prospective studies. BMJ Nutr Prev Health. 2021 Jul 2;4(2):519-531. PubMed

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Tirzepatide on your own; if you are taking Brussels Sprout for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Tirzepatide

This page covers Brussels Sprout 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

How much people look this up

Where Brussels Sprout 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 Brussels Sprout
Steady interest

#1,199 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.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Brussels Sprout reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Brussels Sprout and Tirzepatide records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Brussels Sprout

What is Brussels Sprout?

  • General nutrition and fiber
  • Antioxidant support
  • Digestive health
  • Heart health support
  • Cancer-prevention interest

Brussels sprouts are a nutritious cruciferous vegetable rich in fiber, vitamin C, vitamin K, and plant compounds called glucosinolates. Eating them as part of a balanced diet is healthy and safe for most people, but supplement-style claims (like preventing cancer) are not well proven. If you take blood thinners or have thyroid concerns, talk with your pharmacist or doctor about your intake.

Brassica oleracea var. gemmifera · Brassicaceae · Edible sprouts (small leafy buds) · Fresh or cooked vegetable, frozen, powdered, capsule or extract supplements

An interaction check asks whether these two react with each other — it does not ask whether Brussels Sprout is a good idea for someone in your situation. Here is what our Brussels Sprout record says about it on its own.

Brussels Sprout: dosing

There is no official "dose" for Brussels sprouts because they are a food, not a drug. A normal serving as part of meals is appropriate for most people, and they can be enjoyed several times a week as part of a vegetable-rich diet.If you choose a Brussels sprout or cruciferous vegetable supplement, there is no standardized, proven dose.

From our Brussels Sprout monograph — the full record covers uses, side effects and every documented interaction.

Read the full Brussels Sprout 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.

Most-Reported Side Effects for Tirzepatide

From FAERS, the FDA’s public side-effect reporting system (160,663 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Nausea 17,092 reports
Injection site pain 13,906 reports
Diarrhea 10,006 reports
Extra dose administered 9,608 reports
Vomiting 8,267 reports
See full Tirzepatide injection drug information
Keep checking

Other Drugs & Brussels Sprout

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

0Major
241Moderate
0Minor
2,588No known interaction
241 Moderate 2,588 No interaction
Moderate

241 interactions

Showing 60 of 241 moderate interactions — see all 241 on the Brussels Sprout page.

No interaction 2,588 drugs checked — show the list

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

Showing the 60 most looked-up of 2,588 medications checked with no known interaction — see the full Brussels Sprout list.

See the full Brussels Sprout interactions page
See every supplement checked against Tirzepatide, ranked by severity
Evidence & sources

Brussels Sprout References

The 19 references that drive our Brussels Sprout monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Pantuck EJ, Pantuck CB, Anderson KE, et al. Effect of brussels sprouts and cabbage on drug conjugation. Clin Pharmacol Ther 1984;35:161-9. PubMed
  2. Joshipura KJ, Ascherio A, Manson JE, et al. Fruit and vegetable intake in relation to risk of ischemic stroke. JAMA 1999;282:1233-39. PubMed
  3. Zhao H, Lin J, Grossman HB, et al. Dietary isothiocyanates, GSTM1, GSTT1, NAT2 polymorphisms and bladder cancer risk. Int J Cancer 2007;120:2208-13.
  4. Cohen, J. H., Kristal, A. R., and Stanford, J. L. Fruit and vegetable intakes and prostate cancer risk. J Natl.Cancer Inst. 1-5-2000;92(1):61-68. PubMed
  5. Kolonel, L. N., Hankin, J. H., Whittemore, A. S., Wu, A. H., Gallagher, R. P., Wilkens, L. R., John, E. M., Howe, G. R., Dreon, D. M., West, D. W., and Paffenbarger, R. S., Jr. Vegetables, fruits, legumes and prostate cancer: a multiethnic case-control st
  6. Kissel JT, Scott CB, Reyna SP, Crawford TO, Simard LR, Krosschell KJ, Acsadi G, Elsheik B, Schroth MK, D'Anjou G, LaSalle B, Prior TW, Sorenson S, Maczulski JA, Bromberg MB, Chan GM, Swoboda KJ; Project Cure Spinal Muscular Atrophy Investigators' Network.
  7. Ovesen L, Lyduch S, Idorn ML. The effect of a diet rich in Brussels sprouts on warfarin pharmacokinetics. Eur J Clin Pharmacol 1998;34(5):521-523. PubMed
  8. Wortelboer HM, de Kruif CA, van Iersel AAJ, et al. Effects of cooked Brussels sprouts on cytochrome P-450 profile and phase II enzymes in liver and small intestinal mucosa of the rat. Food Chem Toxicol 1992;30(1):17-27. PubMed
  9. Michaud DS, Spiegelman D, Clinton SK, et al. Fruit and vegetable intake and incidence of bladder cancer in a male prospective cohort. J Natl Cancer Inst 1999;91(7):605-13. PubMed
  10. Chang ET, Smedby KE, Zhang SM, et al. Dietary factors and risk of non-Hodgkin lymphoma in men and women. Cancer Epidemiol Biomarkers Prev 2005;14(2):512-20. PubMed
  11. Liu S, Serdula M, Janket SJ, et al. A prospective study of fruit and vegetable intake and the risk of type 2 diabetes in women. Diabetes Care 2004;27(12):2993-6. PubMed
  12. Gaudet MM, Britton JA, Kabat GC, et al. Fruits, vegetables, and micronutrients in relation to breast cancer modified by menopause and hormone receptor status. Cancer Epidemiol Biomarkers Prev 2004;13(9):1485-94. DOI
  13. Smith-Warner SA, Spiegelman D, Yaun SS, et al. Intake of fruits and vegetables and risk of breast cancer: a pooled analysis of cohort studies. JAMA 2001;285(6):769-76.
  14. Rohrmann S, Giovannucci E, Willett WC, Platz EA. Fruit and vegetable consumption, intake of micronutrients, and benign prostatic hyperplasia in US men. Am J Clin Nutr 2007;85(2):523-9. PubMed
  15. Brennan P, Hsu CC, Moullan N, et al. Effect of cruciferous vegetables on lung cancer in patients stratified by genetic status: a mendelian randomisation approach. Lancet 2005;366(9496):1558-60. PubMed

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Brussels Sprout and Tirzepatide Together: Common Questions

Is it safe to take Brussels Sprout with Tirzepatide?
We do not list a known interaction between Brussels Sprout and Tirzepatide. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Do Brussels Sprout and Tirzepatide have any of the same side effects?
Yes — our sources link each of them separately to one of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Are Brussels Sprout and Tirzepatide used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Brussels Sprout in each. That is a conversation for your prescriber, especially if Tirzepatide is being adjusted to a target.
How was the Brussels Sprout and Tirzepatide combination checked?
Interactions in our licensed database are recorded against drug classes. Tirzepatide is filed under 1 classification, and Brussels Sprout has documented interactions with 5 drug classes — none of Tirzepatide's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Brussels Sprout interact with any other medications?
Yes. Brussels Sprout has 241 documented drug interactions in our database — Tirzepatide is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Tirzepatide interact with any supplements?
Yes. Tirzepatide has documented interactions with 239 supplements in our database — Brussels Sprout is not one of them. The Tirzepatide interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Brussels Sprout monograph Uses, safety profile, and every drug interaction in one place Tirzepatide injection drug information The full plain-English guide to this medication Tirzepatide supplement interactions Every supplement checked against Tirzepatide, 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 References The 19 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Tirzepatide and Brussels Sprout?

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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.