Medication interaction hub

What Supplements Interact with Polatuzumab Vedotin-Piiq?

Polatuzumab Vedotin-Piiq brand name: Polivy. Every interaction below applies to the brands too.

151 Interactions 5 Major 117 Moderate 29 Minor
Curated & coded by · Clinical Pharmacist · Updated September 18, 2026

Drug–supplement interaction data sourced from Natural Medicines Pro, the licensed clinical database from TRC Healthcare / Therapeutic Research, with additional analysis by the HelloPharmacist Pharmacist Team. Our sources · Editorial policy

What is this page for?

One answer, for one medication: what supplements and herbal products interact with Polatuzumab Vedotin-Piiq? Every vitamin, herb, and supplement ingredient we’ve checked against it is on this page, ranked by severity, each linking to the full report for that exact pair.

This page covers supplement interactions only — to check Polatuzumab Vedotin-Piiq against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy

HelloPharmacist Bottom Line
Our Pharmacist Explains
What is this? The interaction data in the HelloPharmacist supplement database is licensed from Natural Medicines Pro by TRC Healthcare (Therapeutic Research). HelloPharmacist pharmacists often add our own analysis and context on top of that licensed data — such as this Bottom Line summary and the notes on individual interaction pages — and any such commentary is noted as ours.

Polivy (polatuzumab vedotin-piiq) is an IV antibody therapy for large B-cell lymphoma, and the 151 supplements and herbs on this page warrant genuine care, starting with the five rated major. Nearly every entry touches one of two pressure points. The larger group, 121 ingredients, changes how the CYP3A4 enzyme clears the drug's chemotherapy payload, which can push its level up or drag it down. Another 38 add strain to the liver during a treatment that already asks a lot of it. Grapefruit and St. John's wort are two of the majors, one raising drug levels, the other lowering them.

Alcohol also carries major ratings here through that same liver pathway. Most of the 117 moderate and 29 minor entries rest on lab or animal evidence rather than confirmed human harm, but lymphoma treatment is a poor place to gamble, so settle the five majors with your oncology team before your next infusion.

— , Clinical Pharmacist · July 18, 2026

Major 5 Moderate 117 Minor 29 No known interaction 1,301

This box checks one ingredient at a time (like turmeric or magnesium). Taking a supplement product with a whole label of ingredients? Search the product instead — we check every ingredient on it ↓

Most Viewed Ingredient Interactions

Polatuzumab Vedotin-Piiq: Top Interactions at a Glance

The Polatuzumab Vedotin-Piiq supplement & herbal interactions people checked most in the last 24 hours, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 151 interacting ingredients — plus 1,301 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Polatuzumab Vedotin-Piiq Combinations Today

The Polatuzumab Vedotin-Piiq + supplement pages people viewed most in the last 24 hours (resets at midnight). Open any card for the full report.

Moderate Likelihood Possible Chanca Piedra + Polatuzumab Vedotin-Piiqi

Theoretically, use of chanca piedra might increase the levels and clinical effects of CYP3A4 substrates.

Read the full interaction Moderate Likelihood Possible American Elder + Polatuzumab Vedotin-Piiqi

Theoretically, taking American elder might increase levels of CYP3A4 substrates.

Read the full interaction Moderate Likelihood Possible Kudzu + Polatuzumab Vedotin-Piiqi

Theoretically, concomitant use might have additive hepatotoxic effects.

Read the full interaction Minor Likelihood Possible Hibiscus Sabdariffa + Polatuzumab Vedotin-Piiqi

Theoretically, Hibiscus sabdariffa extract might reduce the metabolism of CYP3A4 substrates.

Read the full interaction Major Likelihood Likely Grapefruit + Polatuzumab Vedotin-Piiqi

Grapefruit juice can increase levels of drugs metabolized by CYP3A4.

Read the full interaction Major Likelihood Likely Siberian Cocklebur + Polatuzumab Vedotin-Piiqi

Siberian cocklebur can adversely affect the liver.

Read the full interaction
The complete list

Every Supplement Checked Against Polatuzumab Vedotin-Piiq

All 1,452 ingredients in our database, ranked by severity — 151 with a Polatuzumab Vedotin-Piiq interaction on file and 1,301 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.

Looking for an interaction with a specific supplement product? Search products instead ↓

Straight answers

Can You Take It With Polatuzumab Vedotin-Piiq?

One-line answers, one card per combination — scroll through today’s 20 and tap any card for the full report. A different set rotates in daily until every combination has had its turn.

Can you take Chanca Piedra with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, use of chanca piedra might increase the levels and clinical effects of CYP3A4 substrates.

Full Chanca Piedra + Polatuzumab Vedotin-Piiq answer

Can you take American Elder with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking American elder might increase levels of CYP3A4 substrates.

Full American Elder + Polatuzumab Vedotin-Piiq answer

Can you take Kudzu with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might have additive hepatotoxic effects.

Full Kudzu + Polatuzumab Vedotin-Piiq answer

Can you take Hibiscus Sabdariffa with Polatuzumab Vedotin-Piiq?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, Hibiscus sabdariffa extract might reduce the metabolism of CYP3A4 substrates.

Full Hibiscus Sabdariffa + Polatuzumab Vedotin-Piiq answer

Can you take Dhea with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, DHEA might increase the levels of drugs metabolized by CYP3A4.

Full Dhea + Polatuzumab Vedotin-Piiq answer

Can you take Diosmin with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, diosmin might inhibit the metabolism of CYP3A4 substrates.

Full Diosmin + Polatuzumab Vedotin-Piiq answer

Can you take Echinacea with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Echinacea may induce hepatic CYP3A4 and inhibit intestinal CYP3A4.

Full Echinacea + Polatuzumab Vedotin-Piiq answer

Can you take Ephedra with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might have additive adverse hepatotoxic effects.

Full Ephedra + Polatuzumab Vedotin-Piiq answer

Can you take Epistane with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might have additive adverse hepatotoxic effects.

Full Epistane + Polatuzumab Vedotin-Piiq answer

Can you take Eucalyptus with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, eucalyptus might increase the levels of CYP3A4 substrates.

Full Eucalyptus + Polatuzumab Vedotin-Piiq answer

Can you take European Barberry with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, European barberry might increase the levels and clinical effects of CYP3A4 substrates.

Full European Barberry + Polatuzumab Vedotin-Piiq answer

Can you take Evodia with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, evodia might increase the levels and clinical effects of CYP3A4 substrates.

Full Evodia + Polatuzumab Vedotin-Piiq answer

Can you take False Unicorn with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In vitro, false unicorn extract inhibits cytochrome P450 3A4 (CYP3A4) activity.

Full False Unicorn + Polatuzumab Vedotin-Piiq answer

Can you take Fennel with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.

Full Fennel + Polatuzumab Vedotin-Piiq answer

Can you take Feverfew with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, feverfew might increase levels of drugs metabolized by CYP3A4.

Full Feverfew + Polatuzumab Vedotin-Piiq answer

Can you take Fo-ti with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.

Full Fo-ti + Polatuzumab Vedotin-Piiq answer

Can you take Garcinia with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use with other potentially hepatotoxic drugs might increase the risk of developing liver damage.

Full Garcinia + Polatuzumab Vedotin-Piiq answer

Can you take Garlic with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, garlic products containing allicin might induce intestinal CYP3A4 and inhibit hepatic CYP3A4.

Full Garlic + Polatuzumab Vedotin-Piiq answer

Can you take German Chamomile with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, German chamomile might inhibit CYP3A4 and increase levels of drugs metabolized by these enzymes.

Full German Chamomile + Polatuzumab Vedotin-Piiq answer

Can you take Ginger with Polatuzumab Vedotin-Piiq?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Ginger might increase or decrease the levels of CYP3A4 substrates.

Full Ginger + Polatuzumab Vedotin-Piiq answer
Read the list like a pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction 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.
  • Possible. 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
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each entry links to a full report with the clinical detail, likelihood, evidence level, and citations for that exact combination.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

How Does Our Interaction Checker Work?

Behind every verdict on this page is a category system. Our source database doesn’t document supplement interactions drug-by-drug — it documents them against groups of medications that behave the same way (for example, “drugs processed by the CYP3A4 liver enzyme” or “blood-thinning medications”).

So the check works in three steps: (1) Polatuzumab Vedotin-Piiq is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Polatuzumab Vedotin-Piiq, and (3) each ingredient keeps its own severity, likelihood, and evidence grades from the underlying record. That’s why one supplement can carry several records for one drug — it may interact through more than one category.

Polatuzumab Vedotin-Piiq sits in 2 interaction categories. Open any one to see what the group means:

Cytochrome P450 3A4 (Cyp3A4) Substrates 121 ingredients

A drug-metabolism group: these medications are processed by the named liver enzyme (a cytochrome P450). Supplements that speed this enzyme up or slow it down can lower or raise the medication's levels in your body.

121 of the supplement ingredients on this page reach Polatuzumab Vedotin-Piiq through this category.

Hepatotoxic Drugs 38 ingredients

Medications with known liver considerations. Supplements that can stress the liver add to the load.

38 of the supplement ingredients on this page reach Polatuzumab Vedotin-Piiq through this category.

About Polatuzumab Vedotin-Piiq

Polatuzumab Vedotin-Piiq is a prescription medication also sold under the brand name Polivy. Because supplements and herbal products can change how medications work — or how strongly — every ingredient on this page has been checked against it in our interaction database.

Generic name: Polatuzumab Vedotin-Piiq  ·  Brand name: Polivy.

See the full Polatuzumab vedotin-piiq Injection drug information
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Take a Supplement Product? Check the Whole Bottle Against Polatuzumab Vedotin-Piiq

Most supplements are combination products — and the interaction may come from an ingredient you didn’t buy it for. Search any product below (or scan its label) and we’ll check every ingredient on it against Polatuzumab Vedotin-Piiq.

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Pharmacist Counseling Corner

Polatuzumab Vedotin-Piiq & Supplements: Common Questions

What supplements interact with Polatuzumab Vedotin-Piiq?
In our interaction database, 151 supplement and herbal ingredients have an interaction with Polatuzumab Vedotin-Piiq on file — 5 rated major, 117 moderate, and 29 minor. That number sounds scarier than it is: severity matters far more than the count, which is why the list on this page is ranked instead of alphabetical. Start at the top. The highest-ranked right now: Grapefruit, Siberian Cocklebur, Beer.
Which Polatuzumab Vedotin-Piiq supplement interactions are the most serious?
The 5 major-rated combinations — led by Grapefruit, Siberian Cocklebur, Beer, St. John's Wort and Wine — deserve real caution: these are the ones generally best avoided, or used only with your prescriber watching. If you take any of them today, don't panic and don't stop anything abruptly — call your pharmacist first. Jump to the ranked list.
Can I take vitamins or supplements while on Polatuzumab Vedotin-Piiq?
That depends entirely on which supplement. The honest answer for Polatuzumab Vedotin-Piiq is in the ranked list above — and if what you take is a combination product with a dozen ingredients, don't check them one by one: photograph the label with our scanner and we'll check the whole thing at once. Try the label scanner or the interaction checker.
Do brands like Polivy have the same supplement interactions as Polatuzumab Vedotin-Piiq?
Yes — Polivy all contain Polatuzumab Vedotin-Piiq, so everything on this page applies to them equally. Interactions belong to the active drug, never to the brand on the box; the same is true of generics.
Where do these interaction ratings come from?
Every rating comes from the Natural Medicines database — the same evidence-graded reference pharmacists and hospitals use — and each interaction carries three separate grades: severity (how bad it can be), likelihood (how well it's documented in studies and case reports), and an evidence level. Our pharmacists review the content; we never let an AI decide an interaction. See how to read the ratings and our editorial policy.
What about Polatuzumab Vedotin-Piiq and my other medications?
This page covers Polatuzumab Vedotin-Piiq against supplements and herbal ingredients. Checking Polatuzumab Vedotin-Piiq against your other prescription or OTC medications is a different tool — our drug interaction checker covers that side. Head to the drug–drug interaction checker, or read the full Polatuzumab vedotin-piiq Injection drug information.

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

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Sourcing

Where This Data Comes From — and Why You Can Trust It

🧪 Licensed clinical database

Every interaction verdict on this page comes from Natural Medicines Pro (TRC Healthcare / Therapeutic Research) — the same evidence-graded reference used by pharmacists and hospitals. We license this data directly; we do not scrape it, and no AI invents an interaction.

🧑‍⚕️ Pharmacist review

This page is curated and coded by , Clinical Pharmacist, with additional analysis by the HelloPharmacist Pharmacist Team. Editorial commentary is ours; the licensed interaction records are shown as sourced.

🔄 Kept current

Our interaction database refreshes on a weekly cycle, and this page re-checks the live database every time it’s rebuilt — what you see reflects the database as of September 18, 2026.

🔍 Full transparency

How every dataset on this site is sourced, licensed, and updated is documented publicly: our data sources · editorial policy · how we use AI.

Educational information, not medical advice. An interaction being on file does not mean it will happen to you — and absence of one is not proof of safety. Never start or stop a medication or supplement without talking to your pharmacist or doctor.