Drug & supplement interaction

Bilberry + Mirikizumab-mrkz

Mirikizumab-mrkz brand name: Omvoh.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Bilberry and Mirikizumab-mrkz 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.

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Interaction report

Bilberry and Mirikizumab-mrkz

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 Mirikizumab-mrkz and Bilberry 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.

Bilberry safety at a glance

Bilberry overall Use caution Bilberry fruit is generally safe as food, but supplement evidence and long-term safety are limited.
Pregnancy Likely Safe When used orally in the amounts commonly found in foods. However, there is insufficient reliable information available about the safety of bilberry when used in... Read the full pregnancy detail
Breastfeeding Likely Safe When used orally in the amounts commonly found in foods. However, there is insufficient reliable information available about the safety of bilberry when used in... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Mirikizumab-mrkz and Bilberry? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Mirikizumab-mrkz

Interactions in our licensed database are recorded against drug classes, not just single drug names. Mirikizumab-mrkz is filed under 2 classifications — immunosuppressants, hepatotoxic drugs. Bilberry has documented interactions with 4 drug classes — the most serious being anticoagulant/antiplatelet drugs (moderate), antidiabetes drugs (moderate) and cytochrome p450 2e1 (cyp2e1) substrates (moderate) — and none of Mirikizumab-mrkz’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

Bilberry Does Interact With Other Medications

Bilberry has 275 moderate known drug interactions in our database — Mirikizumab-mrkz isn’t one of them. If you take anything else, check it against the full list below.

Moderate 275 No known interaction 2,555 (incl. Mirikizumab-mrkz)
Taking anything else?

Check Another of Your Medications Against Bilberry

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

What to actually watch for

What Bilberry Itself Has Been Linked To

This is not an interaction — nothing below involves Mirikizumab-mrkz. It is the side-effect record for Bilberry on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Bilberry, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • Memory problems Worth acting on Additional detail

    “In one small clinical trial, mild-to-moderate flatulence was reported in 33% of patients taking sieved bilberries and concentrated bilberry juice. However, the patients in this study had ulcerative colitis, and the study lacked a control group, limiting the validity of this finding.”

    Bilberry · Natural Medicines adverse-effect record, reported in age-related cognitive decline.

    4 sources cited
    1. 91506. Biedermann L, Mwinyi J, Scharl M, Frei P, Zeitz J, Kullak-Ublick GA, et al. Bilberry ingestion improves disease activity in mild to moderate ulcerative colitis-an open pilot study. 2013 May;7(4):271-9. PubMed
    2. 110641. Bøhn SK, Myhrstad MCW, Thoresen M, et al. Bilberry/red grape juice decreases plasma biomarkers of inflammation and tissue damage in aged men with subjective memory impairment -a randomized clinical trial. BMC Nutr 2021;7(1):75. PubMed
    3. 35500. Morazzoni P and Magistretti MJ. Effects of Vaccinium myrtillus anthocyanosides on prostacyclin-like activity in rat arterial issue. Fitoterapia 1986;57:11-14.
    4. 35462. Hawrelak, J. A. and Myers, S. P. Effects of two natural medicine formulations on irritable bowel syndrome symptoms: a pilot study. J Altern Complement Med 2010;16(10):1065-1071. PubMed
  • Heartburn / Nausea Additional detail

    Recorded for Bilberry in the same Natural Medicines adverse-effect record shown under Memory problems above.

  • Bloating or gas Additional detail

    “Orally, bilberry fruit, juice, and extracts seem to be well tolerated.

    Most Common Adverse Effects:

    Orally: Dark-colored stools, flatulence, and gastrointestinal discomfort.”

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

  • Stomach upset Additional detail

    Recorded for Bilberry in the same Natural Medicines adverse-effect record shown under Bloating or gas above.

Everything above comes from the Natural Medicines adverse-effect record for Bilberry — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Mirikizumab-mrkz’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Mirikizumab-mrkz column appears here.

Special populations

Bilberry in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Safe

When used orally in the amounts commonly found in foods. However, there is insufficient reliable information available about the safety of bilberry when used in medicinal amounts during pregnancy and lactation; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Overlapping uses

What Mirikizumab-mrkz Is Prescribed For, and What Bilberry Has Been Studied For

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

Mirikizumab-mrkz is prescribed for: Omvoh (mirikizumab-mrkz) is used to treat moderately to severely active ulcerative colitis in adults — a condition where the large intestine becomes chronically inflamed and ulcerated. It is also used to treat moderately to severely active Crohn's disease in adults, another form of inflammatory bowel disease that can affect any part of the digestive tract. Both uses are specific to Omvoh administered by injection — first as intravenous (into the vein) infusions to start treatment, then as subcutaneous (under the skin) injections for ongoing maintenance.

Bilberry has been studied for:

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

    Bilberry for ulcerative colitis

    It is unclear if oral bilberry is beneficial in patients with ulcerative colitis.

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 Mirikizumab-mrkz on your own; if you are taking Bilberry 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 Mirikizumab-mrkz

This page covers Bilberry only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Mirikizumab-mrkz page lists 89 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Beer (major), Siberian Cocklebur (major), Wine (major), Active Hexose Correlated Compound (ahcc) (moderate) and Alfalfa (moderate).

By severity: 3 major · 85 moderate · 1 minor.

From our pharmacist’s overview on the Mirikizumab-mrkz page

“Mirikizumab (Omvoh) treats inflammatory bowel disease by dialing down part of the immune system, and its interaction list deserves genuine wariness, most of all around the liver. The three most serious entries, Siberian cocklebur plus beer and wine, all raise the odds of liver damage when combined with a medication that can stress the…”

Reviewed by 2 · Jul 18, 2026

Open the Mirikizumab-mrkz interaction page

One more smart check

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

We hold 3,883 real supplement products containing Bilberry, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Bilberry. Even though Bilberry itself has no known interaction with Mirikizumab-mrkz, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Bilberry and Mirikizumab-mrkz 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 Bilberry
Top 10%

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

29 days ago today
Medication Mirikizumab-mrkz
Steady interest

#1,584 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 Bilberry reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Bilberry and Mirikizumab-mrkz 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 Bilberry

What is Bilberry?

Bilberry
  • Eye and vision health
  • Antioxidant support
  • Diarrhea and digestive upset
  • Circulation and vein health
  • Blood sugar support

Bilberry is a blueberry-like fruit rich in antioxidant plant compounds called anthocyanins, and it has a long history of traditional use for eye health, circulation, and mild diarrhea. While it is generally well tolerated as a food and supplement, strong scientific proof for most health claims is limited. Talk with your pharmacist or doctor before using bilberry supplements, especially if you are pregnant, breastfeeding, or have a health condition.

Vaccinium myrtillus · Ericaceae · Berries (fruit) and sometimes leaves · Capsules, tablets, standardized extracts, dried berries, tea, liquid extracts

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

Bilberry: dosing

There is no single official or standardized dose of bilberry. Studies have used different forms and amounts, often using extracts standardized to a certain percentage of anthocyanins.Because products vary widely in strength, it is best to follow the directions on the product label and not exceed the recommended amount.

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

Read the full Bilberry monograph & all interactions
Medication

About Mirikizumab-Mrkz

What Is Mirikizumab-Mrkz Used For?

Brand name: Omvoh

Omvoh (mirikizumab-mrkz) is used to treat moderately to severely active ulcerative colitis in adults — a condition where the large intestine becomes chronically inflamed and ulcerated. It is also used to treat moderately to severely active Crohn's disease in adults, another form of inflammatory bowel disease that can affect any part of the digestive tract.

Both uses are specific to Omvoh administered by injection — first as intravenous (into the vein) infusions to start treatment, then as subcutaneous (under the skin) injections for ongoing maintenance.

See full Mirikizumab-Mrkz drug information
Keep checking

Other Drugs & Bilberry

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

0Major
275Moderate
0Minor
2,554No known interaction
275 Moderate 2,554 No interaction
Moderate

275 interactions

Showing 60 of 275 moderate interactions — see all 275 on the Bilberry page.

No interaction 2,554 drugs checked — show the list

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

Showing the 60 most looked-up of 2,554 medications checked with no known interaction — see the full Bilberry list.

See the full Bilberry interactions page
See every supplement checked against Mirikizumab-mrkz, ranked by severity
Evidence & sources

Bilberry References

The 14 references that drive our Bilberry 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. Cignarella A, Nastasi M, Cavalli E, Puglisi L. Novel lipid-lowering properties of Vaccinium myrtillus L. leaves, a traditional antidiabetic treatment, in several models of rat dyslipidaemia: a comparison with ciprofibrate. Thromb Res 1996;84:311-22. PubMed
  2. Morazzoni P, Magistretti MJ. Activity of Myrtocyan, an anthosyanoside complex from Vaccinium myrtillus (VMA), on platelet aggregation and adhesiveness. Fitoterapia 1990;61:13-21.
  3. Erlund, I., Koli, R., Alfthan, G., Marniemi, J., Puukka, P., Mustonen, P., Mattila, P., and Jula, A. Favorable effects of berry consumption on platelet function, blood pressure, and HDL cholesterol. Am J Clin Nutr 2008;87(2):323-331. PubMed
  4. Hawrelak, J. A. and Myers, S. P. Effects of two natural medicine formulations on irritable bowel syndrome symptoms: a pilot study. J Altern Complement Med 2010;16(10):1065-1071. PubMed
  5. Morazzoni P and Magistretti MJ. Effects of Vaccinium myrtillus anthocyanosides on prostacyclin-like activity in rat arterial issue. Fitoterapia 1986;57:11-14.
  6. Pulliero G, Montin S, Bettini V, and et al. Ex vivo study of the inhibitory effects of Vaccinium myrtillus anthocyanosides on human platelet aggregation. Fitoterapia 1989;60:69-75.
  7. Bottecchia D. Preliminary report on the inhibitory effect of vaccinium myrtillus anthocyanosides on platelet aggregation and clot retraction. Fitoterapia 1987;48:3-8.
  8. Fdez, M., Zaragoza, F., and Alvarez, P. In vitro platelet aggregation effects of anthocyanosides of vaccinium myrtilus L. Anales de la Real Academia de Farmacia 1983;49:79-90.
  9. Biedermann L, Mwinyi J, Scharl M, Frei P, Zeitz J, Kullak-Ublick GA, et al. Bilberry ingestion improves disease activity in mild to moderate ulcerative colitis-an open pilot study. 2013 May;7(4):271-9. PubMed
  10. Hoggard N, Cruickshank M, Moar KM, Bestwick C, Holst J, Russell W, et al. A single supplement of a standardized bilberry (Vaccinium myrtillus L.) extract (36% wet weight anthocyanins) modifies glycaemic response in individuals with type 2 diabetes control
  11. Aichinger G, Pahlke G, Nagel LJ, Berger W, Marko D. Bilberry extract, its major phenolic compounds, and soy isoflavone genistein antagonize the cytostatic drug erlotinib in human epithelial cells. Food Funct 2016;7(8):3628-36.
  12. Prokop J, Lněničková K, Cibicek N, et al. Effect of bilberry extract (Vaccinium myrtillus L.) on drug-metabolizing enzymes in rats. Food Chem Toxicol 2019;129:382-90. PubMed
  13. Chan SW, Chu TTW, Choi SW, Benzie IFF, Tomlinson B. Impact of short-term bilberry supplementation on glycemic control, cardiovascular disease risk factors, and antioxidant status in Chinese patients with type 2 diabetes. Phytother Res 2021. Online ahead o PubMed
  14. Bøhn SK, Myhrstad MCW, Thoresen M, et al. Bilberry/red grape juice decreases plasma biomarkers of inflammation and tissue damage in aged men with subjective memory impairment -a randomized clinical trial. BMC Nutr 2021;7(1):75. 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 Bilberry and Mirikizumab-mrkz Together: Common Questions

Is it safe to take Bilberry with Mirikizumab-mrkz?
We do not list a known interaction between Bilberry and Mirikizumab-mrkz. 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.
Are Bilberry and Mirikizumab-mrkz 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 Bilberry in each. That is a conversation for your prescriber, especially if Mirikizumab-mrkz is being adjusted to a target.
How was the Bilberry and Mirikizumab-mrkz combination checked?
Interactions in our licensed database are recorded against drug classes. Mirikizumab-mrkz is filed under 2 classifications, and Bilberry has documented interactions with 4 drug classes — none of Mirikizumab-mrkz'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 Bilberry interact with any other medications?
Yes. Bilberry has 275 documented drug interactions in our database — Mirikizumab-mrkz 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 Mirikizumab-mrkz interact with any supplements?
Yes. Mirikizumab-mrkz has documented interactions with 89 supplements in our database — Bilberry is not one of them. The Mirikizumab-mrkz 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

Bilberry monograph Uses, safety profile, and every drug interaction in one place Mirikizumab-Mrkz drug information The full plain-English guide to this medication Mirikizumab-mrkz supplement interactions Every supplement checked against Mirikizumab-mrkz, 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 14 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Mirikizumab-mrkz and Bilberry?

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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.