Medication interaction hub

What Supplements Interact with Ocrelizumab?

Ocrelizumab brand name: Ocrevus. Every interaction below applies to the brands too.

53 Interactions 52 Moderate 1 Minor
Curated & coded by · Clinical Pharmacist · Updated September 28, 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 Ocrelizumab? 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 Ocrelizumab 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.

Echinacea, the cold-season staple, revs up the immune system, which is exactly what Ocrevus (ocrelizumab) is given to quiet in multiple sclerosis. That single tension runs through all 53 supplements on this page. Ashwagandha, astragalus, and dozens of mushroom and herbal extracts are flagged for the same reason: they may stimulate immunity and blunt what the infusion is doing. None of the 53 rates major, 52 are moderate and one minor, so most people can work with this list, provided they know these products pull against the drug rather than pile on side effects.

Most of this evidence is theoretical, coming from lab and animal research rather than documented trouble in patients. Even so, a supplement that quietly counteracts ocrelizumab would show up as returning MS symptoms, not an obvious reaction. If an immune-boosting product is part of your daily habits, mention it to your pharmacist before your next infusion.

— , Clinical Pharmacist · July 18, 2026

Moderate 52 Minor 1 No known interaction 1,399

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

Ocrelizumab: Top Interactions at a Glance

The Ocrelizumab 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 53 interacting ingredients — plus 1,399 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Ocrelizumab Combinations Today

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

Moderate Likelihood Possible Astragalus + Ocrelizumabi

Theoretically, astragalus might interfere with immunosuppressive therapy.

Read the full interaction Moderate Likelihood Possible Eleuthero + Ocrelizumabi

Theoretically, eleuthero might interfere with immunosuppressive drugs because of its immunostimulant activity.

Read the full interaction Moderate Likelihood Possible Blue-green Algae + Ocrelizumabi

Theoretically, concurrent use of blue-green algae might interfere with immunosuppressive therapy.

Read the full interaction Moderate Likelihood Possible Bupleurum + Ocrelizumabi

Theoretically, bupleurum might decrease the effects of immunosuppressants.

Read the full interaction Moderate Likelihood Possible Kefir + Ocrelizumabi

Theoretically, kefir might increase the risk of bacterial and yeast infections in patients taking immunosuppressants.

Read the full interaction Moderate Likelihood Possible Active Hexose Correlated Compound (ahcc) + Ocrelizumabi

Theoretically, taking AHCC might decrease the effects of immunosuppressant drugs.

Read the full interaction
The complete list

Every Supplement Checked Against Ocrelizumab

All 1,452 ingredients in our database, ranked by severity — 53 with a Ocrelizumab interaction on file and 1,399 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 Ocrelizumab?

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 Astragalus with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, astragalus might interfere with immunosuppressive therapy.

Full Astragalus + Ocrelizumab answer

Can you take Eleuthero with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, eleuthero might interfere with immunosuppressive drugs because of its immunostimulant activity.

Full Eleuthero + Ocrelizumab answer

Can you take Blue-green Algae with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of blue-green algae might interfere with immunosuppressive therapy.

Full Blue-green Algae + Ocrelizumab answer

Can you take Bupleurum with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, bupleurum might decrease the effects of immunosuppressants.

Full Bupleurum + Ocrelizumab answer

Can you take Kefir with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, kefir might increase the risk of bacterial and yeast infections in patients taking immunosuppressants.

Full Kefir + Ocrelizumab answer

Can you take European Mistletoe with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, European mistletoe might decrease the effectiveness of immunosuppressants.

Full European Mistletoe + Ocrelizumab answer

Can you take Fermented Milk with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fermented milk might decrease the effects of immunosuppressants.

Full Fermented Milk + Ocrelizumab answer

Can you take Fermented Wheat Germ Extract with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, fermented wheat germ extract might decrease the effects of immunosuppressants.

Full Fermented Wheat Germ Extract + Ocrelizumab answer

Can you take Fulvic Acid with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking fulvic acid might decrease the effects of immunosuppressive therapy.

Full Fulvic Acid + Ocrelizumab answer

Can you take Galacto-oligosaccharides (gos) with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, GOS might reduce the effects of immunosuppressants.

Full Galacto-oligosaccharides (gos) + Ocrelizumab answer

Can you take Glyconutrients with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Evidence from in vitro research suggests that glyconutrients stimulate certain immune responses.

Full Glyconutrients + Ocrelizumab answer

Can you take Greater Celandine with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Preliminary clinical research suggests that taking a specific semi-synthetic derivative of the greater celandine constituent chelidonine (Uk...

Full Greater Celandine + Ocrelizumab answer

Can you take Ipriflavone with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concurrent use of ipriflavone and immunosuppressant drugs might have additive effects on inhibiting immune function.

Full Ipriflavone + Ocrelizumab answer

Can you take Jiaogulan with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, jiaogulan might decrease the effectiveness of immunosuppressive therapy.

Full Jiaogulan + Ocrelizumab answer

Can you take Larch Arabinogalactan with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, larch arabinogalactan might interfere with immunosuppression therapy due to immunostimulant effects.

Full Larch Arabinogalactan + Ocrelizumab answer

Can you take Lion's Mane Mushroom with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of lion's mane mushroom might interfere with immunosuppressive therapy.

Full Lion's Mane Mushroom + Ocrelizumab answer

Can you take Mace with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Animal research suggests that mace lignans can suppress immune function.

Full Mace + Ocrelizumab answer

Can you take Maritime Pine with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, maritime pine bark extract might decrease the effectiveness of immunosuppressant therapy.

Full Maritime Pine + Ocrelizumab answer

Can you take Melatonin with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, melatonin might interfere with immunosuppressive therapy.

Full Melatonin + Ocrelizumab answer

Can you take Neem with Ocrelizumab?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, neem might decrease the effectiveness of immunosuppressants.

Full Neem + Ocrelizumab 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) Ocrelizumab is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Ocrelizumab, 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.

Ocrelizumab sits in 1 interaction category. Open any one to see what the group means:

Immunosuppressants 53 ingredients

Medications that damp down the immune system. Supplements that stimulate immunity can work against them.

53 of the supplement ingredients on this page reach Ocrelizumab through this category.

About Ocrelizumab

Ocrelizumab is an intravenous medication used to treat relapsing forms of multiple sclerosis and primary progressive multiple sclerosis in adults, and relapsing-remitting multiple sclerosis in certain pediatric patients.

Generic name: Ocrelizumab  ·  Brand name: Ocrevus.

See the full Ocrelizumab Injection drug information
Check a real product

Take a Supplement Product? Check the Whole Bottle Against Ocrelizumab

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 Ocrelizumab.

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Pharmacist Counseling Corner

Ocrelizumab & Supplements: Common Questions

What supplements interact with Ocrelizumab?
Our database currently documents 53 ingredients with a known Ocrelizumab interaction (0 major, 52 moderate, 1 minor). The practical move: scan the major group first, then look up the exact supplements you take rather than reading all 53. The highest-ranked right now: Active Hexose Correlated Compound (ahcc), Alfalfa, American Ginseng.
Which Ocrelizumab supplement interactions are the most serious?
None of the Ocrelizumab supplement interactions on file are currently rated major. The most significant are the 52 moderate-rated ones — combinations that may need monitoring, a dose adjustment, or separated timing. Still worth a quick look through the ranked list for anything you take daily. Jump to the ranked list.
Can I take vitamins or supplements while on Ocrelizumab?
Plenty of supplements coexist fine with Ocrelizumab; a shorter list does not. Rather than memorizing it, check the specific ingredients on your labels — the ranked list above covers every one we've checked, and multi-ingredient products can be checked label-by-label with our scanner. Try the label scanner or the interaction checker.
Do brands like Ocrevus have the same supplement interactions as Ocrelizumab?
Yes — Ocrevus all contain Ocrelizumab, 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 Ocrelizumab and my other medications?
This page covers Ocrelizumab against supplements and herbal ingredients. Checking Ocrelizumab 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 Ocrelizumab 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 28, 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.