Drug & supplement interaction

Bee Pollen + Obinutuzumab

Obinutuzumab brand name: Gazyva.

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 Bee Pollen and Obinutuzumab 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 label for Obinutuzumab states a food rule worth keeping to, and 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.

Know someone taking this? Share
Facebook Post Reddit Email
On this page
Interaction report

Bee Pollen and Obinutuzumab

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 Obinutuzumab and Bee Pollen 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.

Bee Pollen safety at a glance

Bee Pollen overall Use caution Generally tolerated by many people but can trigger allergic reactions, sometimes severe.
Pregnancy Possibly Unsafe When used orally. There is some concern that bee pollen might have uterine stimulant effects; avoid using. Read the full pregnancy detail
Breastfeeding Avoid Safety is unknown, so it is best avoided while breastfeeding.

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 Obinutuzumab and Bee Pollen? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Keep it in perspective

Bee Pollen Does Interact With Other Medications

Bee Pollen has 2 moderate known drug interactions in our database — Obinutuzumab isn’t one of them. If you take anything else, check it against the full list below.

Moderate 2 No known interaction 2,828 (incl. Obinutuzumab)
Taking anything else?

Check Another of Your Medications Against Bee Pollen

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

What to actually watch for

No Interaction Found — But Data Suggests Bee Pollen and Obinutuzumab May Share Several of the Same Side Effects

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. 3 of them are worth acting on rather than waiting out — marked below.

  • Kidney problems Worth acting on Additional detail

    Bee Pollen

    “Orally, bee pollen seems to be well tolerated in most patients.

    Serious Adverse Effects (Rare):

    Orally: Acute hepatitis, allergic reactions, interstitial nephritis, kidney failure.”

    Bee Pollen · Natural Medicines adverse-effect record, reported in hepatitis.

    “Orally, there is one report of a patient taking a bee pollen-containing supplement for greater than 5 months who developed breathing difficulties, edema with weight gain, and loss of appetite. The patient was diagnosed with interstitial nephritis and drug-induced acute kidney failure. The supplement was discontinued and the patient was started on hemodialysis.”

    Bee Pollen · Natural Medicines adverse-effect record, reported in kidney failure.

    1 source cited
    1. 18068. Akiyasu T, Paudyal B, Paudyal P, et al. A case report of acute renal failure associated with bee pollen contained in nutritional supplements. Ther Apher Dial 2010;14:93-7. PubMed

    Obinutuzumab

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

  • Liver problems Worth acting on Additional detail

    Bee Pollen

    “Orally, there have been two cases of acute hepatitis associated with bee pollen use. One case involved ingestion of two tablespoons of pure bee pollen daily for several months. Another case involved ingestion of 14 tablets per day of a combination herbal product containing bee pollen, chaparral, and 19 other herbs for 6 weeks.”

    Bee Pollen · Natural Medicines adverse-effect record, reported in hepatitis.

    1 source cited
    1. 1351. Shad JA, Chinn CG, Brann OS. Acute hepatitis after ingestion of herbs. South Med J 1999;92:1095-7. PubMed

    Obinutuzumab

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

  • An allergic reaction Worth acting on Additional detail

    Bee Pollen

    “Patients with a history of seasonal pollen allergies, particularly allergies to plants in the Asteraceae/Compositae family, including ragweed, chrysanthemums, marigolds, daisies, and many other herbs, are at risk for serious allergic reactions to oral bee pollen. Allergic reactions can include itching, swelling, shortness of breath, lightheadedness, and anaphylaxis (5,6,11,13480,33952,33965,91981,91984,109991).”

    Bee Pollen · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).

    6 sources cited
    1. 5. Foster S, Tyler VE. Tyler's Honest Herbal: A Sensible Guide to the Use of Herbs and Related Remedies. 3rd ed., Binghamton, NY: Haworth Herbal Press, 1993.
    2. 6. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
    3. 11. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
    4. 13480. Cohen SH, Yunginger JW, Rosenberg N, Fink JN. Acute allergic reaction after composite pollen ingestion. J Allergy Clin Immunol 1979;64:270-4. PubMed
    5. 33952. Greenberger, P. A. and Flais, M. J. Bee pollen-induced anaphylactic reaction in an unknowingly sensitized subject. Ann.Allergy Asthma Immunol 2001;86(2):239-242. PubMed
    6. 33965. Mansfield LE, Goldstein GB. Anaphylactic reaction after ingestion of local bee pollen. Ann Allergy 1981;47(3):154-156.

    Obinutuzumab

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

Reported for Bee Pollen but not commonly for Obinutuzumab: a severe allergic reaction, shortness of breath, stomach pain and reduced appetite.

Effects for Obinutuzumab come from the ADVERSE REACTIONS section of its FDA label; effects for Bee Pollen come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Bee Pollen in Pregnancy & Breastfeeding

Pregnancy Possibly Unsafe

When used orally. There is some concern that bee pollen might have uterine stimulant effects; 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

How to take them

Some Obinutuzumab Products Have a Food Rule — Bee Pollen Should Not Break It

At least one FDA label for a product containing Obinutuzumab says to take it on an empty stomach. Most supplements — Bee Pollen included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Obinutuzumab on its own and move Bee Pollen to a meal later in the day.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Obinutuzumab products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

650–1,000 mg acetaminophen At least 30 minutes before GAZYVA infusion.

From the Dosage and Administration section of the FDA label we read for Obinutuzumab — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

One more smart check

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

We hold 686 real supplement products containing Bee Pollen, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Bee Pollen. Even though Bee Pollen itself has no known interaction with Obinutuzumab, 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 Bee Pollen and Obinutuzumab 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 Bee Pollen
Top 25%

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

29 days ago today
Medication Obinutuzumab
Steady interest

#2,522 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 Bee Pollen reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Bee Pollen and Obinutuzumab records this page draws on were last updated July 11, 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 Bee Pollen

What is Bee Pollen?

Bee Pollen
  • General energy and vitality
  • Immune support
  • Nutritional supplement
  • Athletic performance
  • Allergy relief (traditional belief)
  • Skin and wound care

Bee pollen is a nutrient-rich product collected by bees and marketed as a 'superfood' for energy and immune support, but solid human evidence for most of these claims is lacking. It can cause serious allergic reactions in some people, and it should be avoided during pregnancy and breastfeeding because safety is not established.

Pollen collected by honeybees (often combined with nectar and bee secretions) · Granules, capsules, tablets, powder, chewables

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

Bee Pollen: dosing

There is no official or standardized dose for bee pollen. Products vary widely in their content and strength, so the right amount is not well defined.If you choose to use it, follow the directions on the product label and start with a small amount to see how your body reacts.

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

Read the full Bee Pollen monograph & all interactions
Medication

About Obinutuzumab Injection

What Is Obinutuzumab Injection Used For?

Brand name: Gazyva

Gazyva is used to treat three conditions. For chronic lymphocytic leukemia (CLL), it is given in combination with chlorambucil in patients who have not been treated before. For follicular lymphoma (FL), it is used either with bendamustine (for patients whose disease came back or stopped responding to a rituximab-based regimen) or with chemotherapy (for previously untreated advanced disease) — in both cases followed by Gazyva alone as maintenance therapy.

Gazyva is also approved for active lupus nephritis — a type of kidney inflammation caused by lupus — in adults who are already receiving standard therapy for the condition.

See full Obinutuzumab Injection drug information
Keep checking

Other Drugs & Bee Pollen

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

0Major
2Moderate
0Minor
2,827No known interaction
2 Moderate 2,827 No interaction
Moderate

2 interactions

No interaction 2,827 drugs checked — show the list

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

Showing the 60 most looked-up of 2,827 medications checked with no known interaction — see the full Bee Pollen list.

See the full Bee Pollen interactions page
See every supplement checked against Obinutuzumab, ranked by severity
Evidence & sources

Bee Pollen References

The 15 references that drive our Bee Pollen 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. Foster S, Tyler VE. Tyler's Honest Herbal: A Sensible Guide to the Use of Herbs and Related Remedies. 3rd ed., Binghamton, NY: Haworth Herbal Press, 1993.
  2. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  3. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  4. Shad JA, Chinn CG, Brann OS. Acute hepatitis after ingestion of herbs. South Med J 1999;92:1095-7. PubMed
  5. Puente S, Iniguez A, Subirats M, et al. [Eosinophilic gastroenteritis caused by bee pollen sensitization]. Med Clin (Barc) 1997;108:698-700.
  6. Winther K, Hedman C. Assessment of the Effects of the Herbal Remedy Femal on the Symptoms of Premenstrual Syndrome: A Randomized, Double-Blind, Placebo-Controlled Study. Curr Ther Res Clin Exp 2002;63:344-53. DOI
  7. Cohen SH, Yunginger JW, Rosenberg N, Fink JN. Acute allergic reaction after composite pollen ingestion. J Allergy Clin Immunol 1979;64:270-4. PubMed
  8. Hurren KM, Lewis CL. Probable interaction between warfarin and bee pollen. Am J Health Syst Pharm 2010;67:2034-7. PubMed
  9. Akiyasu T, Paudyal B, Paudyal P, et al. A case report of acute renal failure associated with bee pollen contained in nutritional supplements. Ther Apher Dial 2010;14:93-7. PubMed
  10. Greenberger, P. A. and Flais, M. J. Bee pollen-induced anaphylactic reaction in an unknowingly sensitized subject. Ann.Allergy Asthma Immunol 2001;86(2):239-242. PubMed
  11. Lin FL, Vaughan TR, Vandewalker ML, et al. Hypereosinophilia, neurologic, and gastrointestinal symptoms after bee-pollen ingestion. J Allergy Clin Immunol 1989;83(4):793-796. PubMed
  12. Mansfield LE, Goldstein GB. Anaphylactic reaction after ingestion of local bee pollen. Ann Allergy 1981;47(3):154-156.
  13. Choi JH, Jang YS, Oh JW, Kim CH, Hyun IG. Bee pollen-induced anaphylaxis: a case report and literature review. Allergy Asthma Immunol Res 2015 Sep;7(5):513-7. PubMed
  14. Nonotte-Varly C. Allergenicity of Artemisia contained in bee pollen is proportional to its mass. Eur Ann Allergy Clin Immunol 2015;47(6):218-24.
  15. Leang ZX, Thalayasingam M, O'Sullivan M. A paediatric case of exercise-augmented anaphylaxis following bee pollen ingestion in Western Australia. Asia Pac Allergy. 2022 Jul 12;12(3):e23. 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 Bee Pollen and Obinutuzumab Together: Common Questions

Is it safe to take Bee Pollen with Obinutuzumab?
We do not list a known interaction between Bee Pollen and Obinutuzumab. 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 Bee Pollen and Obinutuzumab have any of the same side effects?
Yes — our sources link each of them separately to 3 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.
Should I take Bee Pollen and Obinutuzumab at the same time of day?
At least one FDA label for a product containing Obinutuzumab says to take it on an empty stomach, and supplements are usually taken with a meal — so taking them together at breakfast is the easy mistake. Where that applies, keep Obinutuzumab on its own and move Bee Pollen to a meal later in the day. Food instructions belong to the product rather than the ingredient, so check the directions on your own box. This is about absorption, not an interaction.
Does Bee Pollen interact with any other medications?
Yes. Bee Pollen has 2 documented drug interactions in our database — Obinutuzumab is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

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

Where next

Keep Exploring

Bee Pollen monograph Uses, safety profile, and every drug interaction in one place Obinutuzumab Injection drug information The full plain-English guide to this medication Obinutuzumab supplement interactions Every supplement checked against Obinutuzumab, 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 15 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Obinutuzumab and Bee Pollen?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.