Drug & supplement interaction

Glyconutrients + Niraparib Tosylate

Niraparib Tosylate brand name: Zejula.

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 Glyconutrients and Niraparib Tosylate 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

Glyconutrients and Niraparib Tosylate

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 Niraparib Tosylate and Glyconutrients 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.

Glyconutrients safety at a glance

Glyconutrients overall Use caution Generally low-risk for healthy adults, but benefits are unproven and product quality varies.
Pregnancy Avoid Safety has not been studied, so it is best to avoid during pregnancy.
Breastfeeding Avoid Not enough safety data, so avoid while breastfeeding.

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

Still wondering about combining Niraparib Tosylate and Glyconutrients? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Niraparib Tosylate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Niraparib Tosylate is filed under 2 classifications — p-glycoprotein substrates, oral drugs. Glyconutrients has documented interactions with 1 drug class — the most serious being immunosuppressants (moderate) — and none of Niraparib Tosylate’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

Glyconutrients Does Interact With Other Medications

Glyconutrients has 121 moderate known drug interactions in our database — Niraparib Tosylate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 121 No known interaction 2,709 (incl. Niraparib Tosylate)
Taking anything else?

Check Another of Your Medications Against Glyconutrients

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

What to actually watch for

What Glyconutrients Itself Has Been Linked To

This is not an interaction — nothing below involves Niraparib Tosylate. It is the side-effect record for Glyconutrients on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Glyconutrients, this list is the first place to look.

  • Bloating or gas Additional detail

    “Orally, glyconutrients appear to be well tolerated. Side effects reported in clinical research have included gastrointestinal symptoms such as flatulence”

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

    1 source cited
    1. 26790. Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192. DOI

    “Orally, side effects of glyconutrients reported in clinical research have included gastrointestinal symptoms such as flatulence.”

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

    1 source cited
    1. 26790. Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192. DOI

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

Everything else you take

See Every Supplement That Interacts With Niraparib Tosylate

This page covers Glyconutrients only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Niraparib Tosylate page lists 54 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), St. John's Wort (major), Bitter Melon (moderate), Black Pepper (moderate) and Bulbine Natalensis (moderate).

By severity: 2 major · 35 moderate · 17 minor.

From our pharmacist’s overview on the Niraparib Tosylate page

“Activated charcoal, popular for bloating and so-called detox routines, can trap niraparib (Zejula) in the gut before it absorbs, and St. John's wort can drive levels of the drug down another way.”

Reviewed by 2 · Jul 18, 2026

Open the Niraparib Tosylate interaction page

How much people look this up

Where Glyconutrients and Niraparib Tosylate 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 Glyconutrients
Steady interest

#1,056 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Niraparib Tosylate
Steady interest

#2,164 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 Glyconutrients reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Glyconutrients and Niraparib Tosylate 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 Glyconutrients

What is Glyconutrients?

  • General immune support
  • Overall wellness and energy
  • Cognitive or memory support
  • Inflammation
  • Digestive health

Glyconutrients are supplements containing certain sugar molecules (monosaccharides) that marketers claim are essential for cell communication and health. The science behind most health claims is weak and largely promotional, and your body already makes these sugars from a normal diet. They are generally low-risk, but talk to your pharmacist or doctor before using them, and don't rely on them to treat any disease.

Not a single plant; refined sugars (monosaccharides) from sources like aloe vera, gums, larch, mushrooms, and seaweeds · Capsules, powders, chewable tablets, drink mixes

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

Glyconutrients: dosing

There is no official or standardized dose for glyconutrients. Products differ widely in their ingredients and strength, so a single recommended amount does not exist.If you choose to try one, follow the directions on the product label and do not take more than suggested. Choose products from reputable brands that use third-party testing when possible.

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

Read the full Glyconutrients monograph & all interactions
Medication

About Niraparib

What Is Niraparib Used For?

Brand name: Zejula

Zejula is used as maintenance therapy — meaning it is taken after chemotherapy to help keep the cancer from coming back — for adults with advanced epithelial ovarian, fallopian tube, or primary peritoneal cancer. For first-line maintenance, Zejula is approved for patients whose cancer is HRD-positive (has certain DNA-repair defects, including BRCA mutations or genomic instability) and who have responded to their first round of platinum-based chemotherapy.

Zejula is also approved for maintenance treatment in adults with recurrent ovarian, fallopian tube, or primary peritoneal cancer that carries a germline BRCA mutation (an inherited change in the BRCA gene), when the cancer has responded to platinum-based chemotherapy. In both cases, a companion diagnostic test is required to confirm eligibility before starting Zejula.

Most-Reported Side Effects for Niraparib Tosylate

From FAERS, the FDA’s public side-effect reporting system (51 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Constipation 4 reports
Decreased appetite 4 reports
Fatigue 4 reports
Nausea 4 reports
Prostatic specific antigen increased 4 reports
See full Niraparib drug information
Keep checking

Other Drugs & Glyconutrients

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

0Major
121Moderate
0Minor
2,708No known interaction
121 Moderate 2,708 No interaction
Moderate

121 interactions

Showing 60 of 121 moderate interactions — see all 121 on the Glyconutrients page.

No interaction 2,708 drugs checked — show the list

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

Showing the 60 most looked-up of 2,708 medications checked with no known interaction — see the full Glyconutrients list.

See the full Glyconutrients interactions page
See every supplement checked against Niraparib Tosylate, ranked by severity
Evidence & sources

Glyconutrients References

The 9 references that drive our Glyconutrients 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. Best T, Kemps E, Bryan J. Saccharide effects on cognition and well-being in middle-aged adults: a randomized controlled trial. Dev Neuropsychol 2010;35(1):66-80. PubMed
  2. Dykman KD, Dykman RA. Effect of nutritional supplements on attentional-deficit hyperactivity disorder. Integr Physiol Behav Sci 1998;33(1):49-60. PubMed
  3. Dykman K, Ford CR, Gardiner T. The effect of glyconutritional supplementation on toddlers with failure to thrive. Glycoscience Nutr 2000;1(36):1-7.
  4. Best T, Kemps E, Bryan J. Perceived changes in well-being following polysaccharide intake in middle-aged adults. Applied Res Qual Life 2012;7(2):183-192. DOI
  5. Lefkowitz DL, Stuart R, Gnade BT, Roberts E, Lefkowitz SS. Effects of a glyconutrient on macrophage functions. Int J Immunopharmacol 2000;22(4):299-308. PubMed
  6. See DM, Cimoch P, Chou S, Chang J, Tilles J. The in vitro immunomodulatory effects of glyconutrients on peripheral blood mononuclear cells of patients with chronic fatigue syndrome. Integr Physiol Behav Sci 1998;33(3):280-287. PubMed
  7. Best T, Bryan J, Burns N. An investigation of the effects of saccharides on the memory performance of middle-aged adults. J Nutr Health Aging 2008;12(9):657-662. PubMed
  8. Stancil AN, Hicks LH. Glyconutrients and perception, cognition, and memory. Percept Mot Skills 2009;108(1):259-270. PubMed
  9. Haji, Faraji M. and Haji, Tarkhani A. The effect of sour tea (Hibiscus sabdariffa) on essential hypertension. J.Ethnopharmacol. 1999;65(3):231-236. 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 Glyconutrients and Niraparib Tosylate Together: Common Questions

Is it safe to take Glyconutrients with Niraparib Tosylate?
We do not list a known interaction between Glyconutrients and Niraparib Tosylate. 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.
How was the Glyconutrients and Niraparib Tosylate combination checked?
Interactions in our licensed database are recorded against drug classes. Niraparib Tosylate is filed under 2 classifications, and Glyconutrients has documented interactions with 1 drug class — none of Niraparib Tosylate'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 Glyconutrients interact with any other medications?
Yes. Glyconutrients has 121 documented drug interactions in our database — Niraparib Tosylate 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 Niraparib Tosylate interact with any supplements?
Yes. Niraparib Tosylate has documented interactions with 54 supplements in our database — Glyconutrients is not one of them. The Niraparib Tosylate 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

Glyconutrients monograph Uses, safety profile, and every drug interaction in one place Niraparib drug information The full plain-English guide to this medication Niraparib Tosylate supplement interactions Every supplement checked against Niraparib Tosylate, 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 9 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

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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.