Medication interaction hub

What Supplements Interact with Paliperidone Palmitate?

Paliperidone Palmitate brand name: Invega Trinza. Every interaction below applies to the brands too.

27 Interactions 8 Major 18 Moderate 1 Minor
Curated & coded by · Clinical Pharmacist · Updated October 4, 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 Paliperidone Palmitate? 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 Paliperidone Palmitate 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.

Paliperidone palmitate (Invega Trinza), a long-acting injection for schizophrenia, can lengthen the heart's QT interval on its own, so the supplements on this page deserve real care rather than casual curiosity. Nearly half of the interacting ingredients can stretch that interval further and raise the risk of a dangerous heart rhythm, and grapefruit, an everyday item, sits in that group with a major rating.

A second cluster acts on the antipsychotic effect itself, some intensifying it and others, khat among them, blunting it so the medicine controls symptoms less well. Six more may make seizures easier to trigger. Because this injection stays in the body for months, an unlucky combination cannot be undone quickly, which is reason enough to look up any product below and run it past your pharmacist first. Of the 27 ingredients on file, eight carry a major rating, and those are the ones to read before the rest.

— , Clinical Pharmacist · July 18, 2026

Major 8 Moderate 18 Minor 1 No known interaction 1,425

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

Paliperidone Palmitate: Top Interactions at a Glance

The most significant Paliperidone Palmitate supplement & herbal interactions, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 27 interacting ingredients — plus 1,425 more checked with no known interaction. See the complete ranked list.

Start here

The Major Interactions to Know About

The most clinically significant Paliperidone Palmitate + supplement combinations in our database, best-documented first. Open any card for the full report.

Major Likelihood Probable Arsenic + Paliperidone Palmitatei

Arsenic trioxide can prolong the QT interval.

Read the full interaction Major Likelihood Probable Cesium + Paliperidone Palmitatei

Theoretically, taking cesium concomitantly with other drugs that prolong the QT interval may increase the risk of ventricular arrhythmias and death.

Read the full interaction Major Likelihood Probable Ephedra + Paliperidone Palmitatei

Theoretically, ephedra might have an additive effect with drugs that prolong the QT interval.

Read the full interaction Major Likelihood Probable Grapefruit + Paliperidone Palmitatei

Grapefruit or grapefruit juice, especially if consumed in large amounts, can cause additive QT interval prolongation when taken with QT interval-prolonging drug...

Read the full interaction Major Likelihood Probable Indian Snakeroot + Paliperidone Palmitatei

Theoretically, concomitant use might increase the risk of adverse effects.

Read the full interaction Major Likelihood Probable Rauvolfia Vomitoria + Paliperidone Palmitatei

Theoretically, concomitant use might increase the risk of adverse effects.

Read the full interaction
The complete list

Every Supplement Checked Against Paliperidone Palmitate

All 1,452 ingredients in our database, ranked by severity — 27 with a Paliperidone Palmitate interaction on file and 1,425 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 Paliperidone Palmitate?

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 Dendrobium with Paliperidone Palmitate?

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 + Paliperidone Palmitate answer

Can you take Evodia with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, evodia might have an additive effect with drugs that prolong the QT interval, potentially increasing the risk of ventricular...

Full Evodia + Paliperidone Palmitate answer

Can you take Ginkgo with Paliperidone Palmitate?

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 + Paliperidone Palmitate answer

Can you take Iboga with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, iboga may have an additive effect with drugs that prolong the QT interval.

Full Iboga + Paliperidone Palmitate answer

Can you take K2/spice with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, K2/spice might have an additive effect with drugs that prolong the QT interval and increase the risk of ventricular arrhythmi...

Full K2/spice + Paliperidone Palmitate answer

Can you take Khat with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Khat may affect response to antipsychotic treatment.

Full Khat + Paliperidone Palmitate answer

Can you take Lithium with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking lithium supplements with antipsychotic drugs might increase the risk of encephalopathic syndrome.

Full Lithium + Paliperidone Palmitate answer

Can you take Manganese with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, the risk for manganese toxicity might increase when taken with antipsychotic drugs.

Full Manganese + Paliperidone Palmitate answer

Can you take Melatonin with Paliperidone Palmitate?

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 + Paliperidone Palmitate answer

Can you take Panax Ginseng with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, Panax ginseng has an additive effect with drugs that prolong the QT interval and potentially increase the risk of ventricular...

Full Panax Ginseng + Paliperidone Palmitate answer

Can you take Puravive with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Puravive contains Panax ginseng.

Full Puravive + Paliperidone Palmitate answer

Can you take Rauwolscine with Paliperidone Palmitate?

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 + Paliperidone Palmitate answer

Can you take Thuja with Paliperidone Palmitate?

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 + Paliperidone Palmitate answer

Can you take Vitex Agnus-castus with Paliperidone Palmitate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, vitex agnus-castus could interfere with the activity of antipsychotic drugs.

Full Vitex Agnus-castus + Paliperidone Palmitate answer

Can you take Cannabis with Paliperidone Palmitate?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Cannabis does not seem to affect blood levels or effects of some antipsychotic drugs.

Full Cannabis + Paliperidone Palmitate answer

Can you take Arsenic with Paliperidone Palmitate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Arsenic trioxide can prolong the QT interval.

Full Arsenic + Paliperidone Palmitate answer

Can you take Cesium with Paliperidone Palmitate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, taking cesium concomitantly with other drugs that prolong the QT interval may increase the risk of ventricular arrhythmias an...

Full Cesium + Paliperidone Palmitate answer

Can you take Ephedra with Paliperidone Palmitate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, ephedra might have an additive effect with drugs that prolong the QT interval.

Full Ephedra + Paliperidone Palmitate answer

Can you take Grapefruit with Paliperidone Palmitate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Grapefruit or grapefruit juice, especially if consumed in large amounts, can cause additive QT interval prolongation when taken with QT inte...

Full Grapefruit + Paliperidone Palmitate answer

Can you take Indian Snakeroot with Paliperidone Palmitate?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, concomitant use might increase the risk of adverse effects.

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

Paliperidone Palmitate sits in 3 interaction categories. Open any one to see what the group means:

Qt Interval-Prolonging Drugs 13 ingredients

Medications that can affect the heart's electrical rhythm (the QT interval). Supplements with similar effects can add to that risk.

13 of the supplement ingredients on this page reach Paliperidone Palmitate through this category.

Antipsychotic Drugs 8 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.

8 of the supplement ingredients on this page reach Paliperidone Palmitate 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 Paliperidone Palmitate through this category.

About Paliperidone Palmitate

Paliperidone Injection is a long-acting antipsychotic given by a healthcare professional as an intramuscular injection, used mainly to treat schizophrenia in adults and, for one product, schizoaffective disorder.

Generic name: Paliperidone Palmitate  ·  Brand name: Invega Trinza.

See the full Paliperidone Injection drug information
Check a real product

Take a Supplement Product? Check the Whole Bottle Against Paliperidone Palmitate

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 Paliperidone Palmitate.

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Pharmacist Counseling Corner

Paliperidone Palmitate & Supplements: Common Questions

What supplements interact with Paliperidone Palmitate?
In our interaction database, 27 supplement and herbal ingredients have an interaction with Paliperidone Palmitate on file — 8 rated major, 18 moderate, and 1 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: Arsenic, Cesium, Ephedra.
Which Paliperidone Palmitate supplement interactions are the most serious?
The 8 major-rated combinations — led by Arsenic, Cesium, Ephedra, Grapefruit and Indian Snakeroot — 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 Paliperidone Palmitate?
That depends entirely on which supplement. The honest answer for Paliperidone Palmitate 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 Invega Trinza have the same supplement interactions as Paliperidone Palmitate?
Yes — Invega Trinza all contain Paliperidone Palmitate, 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 Paliperidone Palmitate and my other medications?
This page covers Paliperidone Palmitate against supplements and herbal ingredients. Checking Paliperidone Palmitate 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 Paliperidone 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 October 4, 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.