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What Supplements Interact with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate brand name: Xywav. Every interaction below applies to the brands too.

23 Interactions 1 Major 13 Moderate 9 Minor
Curated & coded by · Clinical Pharmacist · Updated September 23, 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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate? 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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate 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.

Xywav combines calcium, magnesium, potassium, and sodium oxybates to treat cataplexy and daytime sleepiness in narcolepsy, and because each nightly dose is measured and timed with real precision, this list deserves genuine attention rather than a quick skim. The one major entry, activated charcoal, can bind the drug in the gut and sharply cut how much of it reaches you. Seventeen of the 23 ingredients here are fibers, gums, and similar agents that can shift how well anything swallowed gets absorbed.

The other six, melatonin and ginkgo among them, carry a different concern, a theoretical added push toward seizures when combined with medicines that lower the seizure threshold. Beyond that single major, thirteen entries rate moderate and nine minor, and spacing supplements well apart from the nightly doses handles much of the absorption worry. Charcoal is the exception, and I would not take it alongside oxybate at all.

— , Clinical Pharmacist · July 18, 2026

Major 1 Moderate 13 Minor 9 No known interaction 1,429

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 ↓

Top Ingredient Interactions

Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate: Top Interactions at a Glance

The most significant Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate supplement & herbal interactions, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 23 interacting ingredients — plus 1,429 more checked with no known interaction. See the complete ranked list.

Start here

The Major Interactions to Know About

The most clinically significant Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate + supplement combinations in our database, best-documented first. Open any card for the full report.

Major Likelihood Probable Activated Charcoal + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybatei

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.

Read the full interaction
The complete list

Every Supplement Checked Against Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate

All 1,452 ingredients in our database, ranked by severity — 23 with a Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate interaction on file and 1,429 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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

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 Coffee Charcoal with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Coffee charcoal can reduce the absorption of orally administered drugs and should be separated from oral drug administration by at least two...

Full Coffee Charcoal + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Karaya Gum with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Co-administration of oral drugs with bulk forming laxatives such as karaya gum may decrease, increase, or have no effect on the absorption o...

Full Karaya Gum + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Marshmallow with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, mucilage in marshmallow might impair absorption of oral drugs.

Full Marshmallow + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Xanthan Gum with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, xanthan gum can alter the absorption of oral drugs due to its fiber qualities.

Full Xanthan Gum + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Activated Charcoal with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the rout...

Full Activated Charcoal + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take European Mandrake with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use might increase absorption of some drugs because of inhibited gastrointestinal (GI) motility caused by European...

Full European Mandrake + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Glucomannan with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, glucomannan may decrease absorption of drugs taken orally.

Full Glucomannan + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Biofeedback with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. There is some concern that electroencephalogram (EEG) biofeedback might lower the seizure threshold in some patients.

Full Biofeedback + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Dendrobium with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. The dendrobium constituent dendrobine is reported to have convulsant effects.

Full Dendrobium + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Ginkgo with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking ginkgo with drugs that lower the seizure threshold might increase the risk for convulsions.

Full Ginkgo + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Guar Gum with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Guar gum might reduce the absorption of some oral drugs, potentially decreasing their effectiveness.

Full Guar Gum + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Gum Arabic with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.

Full Gum Arabic + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Melatonin with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking melatonin with drugs that lower the seizure threshold might increase the risk of seizure activity.

Full Melatonin + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Rauwolscine with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking rauwolscine with seizure threshold lowering drugs might increase the risk of adverse convulsant effects.

Full Rauwolscine + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Slippery Elm with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, slippery elm may slow the absorption and reduce serum levels of oral drugs.

Full Slippery Elm + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Thuja with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Thuja products can contains significant amounts of thujone, a neurotoxin.

Full Thuja + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Tragacanth with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, tragacanth might alter absorption of oral drugs.

Full Tragacanth + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Thyroid Extract with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Food and medications can interfere with thyroid hormone absorption.

Full Thyroid Extract + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Agar with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Agar forms a thick gel, which may disrupt the absorption of nutrients and medications.

Full Agar + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate answer

Can you take Algin with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, algin can alter the absorption of oral drugs.

Full Algin + Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate 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) Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate, 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.

Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate sits in 2 interaction categories. Open any one to see what the group means:

Oral Drugs 17 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

17 of the supplement ingredients on this page reach Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate through this category.

Seizure Threshold Lowering Drugs 6 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

6 of the supplement ingredients on this page reach Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate through this category.

About Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate

Calcium, magnesium, potassium, and sodium oxybate is a CNS depressant used to treat cataplexy and excessive daytime sleepiness in narcolepsy, and to treat idiopathic hypersomnia (a condition of excessive, hard-to-shake sleepiness) in adults.

Generic name: Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate  ·  Brand name: Xywav.

See the full Calcium, Magnesium, Potassium, and Sodium Oxybate drug information
Check a real product

Take a Supplement Product? Check the Whole Bottle Against Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate

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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate.

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Pharmacist Counseling Corner

Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate & Supplements: Common Questions

What supplements interact with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?
In our interaction database, 23 supplement and herbal ingredients have an interaction with Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate on file — 1 rated major, 13 moderate, and 9 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: Activated Charcoal, Coffee Charcoal, European Mandrake.
Which Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate supplement interactions are the most serious?
The 1 major-rated combination — led by Activated Charcoal — 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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?
That depends entirely on which supplement. The honest answer for Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate 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 Xywav have the same supplement interactions as Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate?
Yes — Xywav all contain Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate, 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 Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate and my other medications?
This page covers Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate against supplements and herbal ingredients. Checking Calcium Oxybate, Magnesium Oxybate, Potassium Oxybate, Sodium Oxybate 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 Calcium, Magnesium, Potassium, and Sodium Oxybate 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 23, 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.