Drug & supplement interaction

Java Tea + Niacin (prescription drug)

Niacin (prescription drug) brand names: Niaspan, Niacor.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Java Tea and Niacin (prescription drug) 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 Niacin (prescription drug) states a food rule worth keeping to.

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Interaction report

Java Tea and Niacin (prescription drug)

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 Niacin (prescription drug) and Java Tea 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.

Java Tea safety at a glance

Java Tea overall Use caution Generally considered well tolerated short-term, but human safety data are limited.
Pregnancy Avoid Not enough safety data, so it is best avoided during pregnancy.
Breastfeeding Avoid Not enough safety data, so it is best avoided while breastfeeding.

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

Still wondering about combining Niacin (prescription drug) and Java Tea? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Niacin (prescription drug)

Interactions in our licensed database are recorded against drug classes, not just single drug names. Niacin (prescription drug) is filed under 3 classifications — including hepatotoxic drugs, oral drugs. Java Tea has documented interactions with 2 drug classes — the most serious being antihypertensive drugs (moderate) and lithium (moderate) — and none of Niacin (prescription drug)’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

Java Tea Does Interact With Other Medications

Java Tea has 173 moderate known drug interactions in our database — Niacin (prescription drug) isn’t one of them. If you take anything else, check it against the full list below.

Moderate 173 No known interaction 2,657 (incl. Niacin (prescription drug))
Taking anything else?

Check Another of Your Medications Against Java Tea

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

What to actually watch for

What Niacin (prescription drug)’s Own FDA Label Lists

This is not an interaction — none of it involves Java Tea. These are the most notable effects listed in the ADVERSE REACTIONS section of Niacin (prescription drug)’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 4 of them are worth acting on rather than waiting out — marked below.

  • Severe muscle breakdown Worth acting on
  • High blood sugar Worth acting on
  • Fainting Worth acting on
  • Shortness of breath Worth acting on
  • Chills
  • Flushing
  • Sweating
  • A fast or pounding heartbeat
  • Numbness or tingling
  • Cough

Showing the 10 most notable of 17 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Niacin (prescription drug). Read the label on DailyMed › Java Tea’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Java Tea side to compare — that is a limit of the record, not a statement that Java Tea has no side effects.

How to take them

Some Niacin (prescription drug) Products Have a Food Rule — Java Tea Should Not Break It

At least one FDA label for a product containing Niacin (prescription drug) says to take it on an empty stomach. Most supplements — Java Tea included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Niacin (prescription drug) on its own and move Java Tea 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 Niacin (prescription drug) 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.

Flushing, pruritus, and gastrointestinal distress are also greatly reduced by slowly increasing the dose of niacin and avoiding administration on an empty stomach.

From the Dosage and Administration section of the FDA label we read for Niacin (prescription drug) — 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.

From our Q&A

Questions About Java Tea or Niacin (prescription drug)

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Java Tea or Niacin (prescription drug), not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Niacin (prescription drug)

This page covers Java Tea only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Niacin (prescription drug) page lists 60 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Siberian Cocklebur (major), Wine (major) and Ashwagandha (moderate).

By severity: 4 major · 43 moderate · 13 minor.

From our pharmacist’s overview on the Niacin (prescription drug) page

“Prescription niacin (Niaspan, Niacor) is dosed high enough for cholesterol treatment that it can strain the liver all by itself, so this is a list to treat seriously rather than skim. Thirty-eight of the 60 interacting supplements and herbs can add their own liver stress, and alcohol leads that group, with beer and wine accounting for…”

Reviewed by 2 · Jul 18, 2026

Open the Niacin (prescription drug) interaction page

One more smart check

Taking Java Tea as Part of a Dietary Supplement Product? Check It for Interactions

We hold 64 real supplement products containing Java Tea, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Java Tea. Even though Java Tea itself has no known interaction with Niacin (prescription drug), 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 Java Tea and Niacin (prescription drug) 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 Java Tea
Steady interest

#1,137 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Niacin (prescription drug)
Top half

#1,272 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 Java Tea reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Java Tea and Niacin (prescription drug) records this page draws on were last updated June 22, 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 Java Tea

What is Java Tea?

  • Urinary tract health
  • Mild fluid retention
  • Kidney and bladder support
  • Mild diuretic ('water pill') effect
  • Digestive complaints

Java Tea is a Southeast Asian herb traditionally used as a gentle diuretic and for urinary tract and kidney support. Some early lab, animal, and small human studies are encouraging, but high-quality evidence in people is limited, so it should not replace proven treatments. Talk to a pharmacist or doctor before using it, especially if you have kidney problems or take other medicines.

Orthosiphon stamineus · Lamiaceae · Leaves and stems (aerial parts) · Tea, dried herb, capsules, liquid extracts, tinctures

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

Java Tea: dosing

There is no well-established standardized dose for Java Tea. The right amount can vary depending on the form (tea, capsule, or extract) and the strength of the product.The safest approach is to follow the directions on the product label and not exceed the recommended amount. Because Java Tea has a diuretic effect, it is also wise to stay well hydrated.

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

Read the full Java Tea monograph & all interactions
Medication

About Niacin

What Is Niacin Used For?

Brand names: Niaspan, Niacor

Niacin is used alongside diet changes to lower high LDL (bad) cholesterol and triglycerides, and to raise HDL (good) cholesterol in adults with primary hyperlipidemia (high cholesterol) or mixed dyslipidemia (abnormal levels of several blood fats). It is also used to treat adults with very high triglyceride levels who are at risk of pancreatitis (dangerous inflammation of the pancreas) when diet alone hasn't worked.

Niacin extended-release tablets are additionally indicated to reduce the risk of a repeat nonfatal heart attack in patients who have already had a heart attack and also have high cholesterol. When used together with a bile acid binding resin, niacin extended-release tablets can slow or even reverse the buildup of plaque in the arteries (atherosclerosis) in patients with coronary artery disease and high cholesterol. Niacin is always used as part of a broader treatment plan — not as a standalone solution.

See full Niacin drug information
Keep checking

Other Drugs & Java Tea

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

0Major
173Moderate
0Minor
2,656No known interaction
173 Moderate 2,656 No interaction
Moderate

173 interactions

Showing 60 of 173 moderate interactions — see all 173 on the Java Tea page.

No interaction 2,656 drugs checked — show the list

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

Showing the 60 most looked-up of 2,656 medications checked with no known interaction — see the full Java Tea list.

See the full Java Tea interactions page
See every supplement checked against Niacin (prescription drug), ranked by severity
Evidence & sources

Java Tea References

The 2 references that drive our Java Tea 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. Cicero AF, De Sando V, Izzo R, Vasta A, Trimarco A, Borghi C. Effect of a combined nutraceutical containing Orthosiphon stamineus effect on blood pressure and metabolic syndrome components in hypertensive dyslipidaemic patients: a randomized clinical tria
  2. Vahlensieck W, Lorenz H, Schumacher-Stimpfl A, Fischer R, Naber KG. Effect of a herbal therapy on clinical symptoms of acute lower uncomplicated urinary tract infections in women: Secondary analysis from a randomized controlled trial. Antibiotics (Basel). 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 Java Tea and Niacin (prescription drug) Together: Common Questions

Is it safe to take Java Tea with Niacin (prescription drug)?
We do not list a known interaction between Java Tea and Niacin (prescription drug). 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.
Should I take Java Tea and Niacin (prescription drug) at the same time of day?
At least one FDA label for a product containing Niacin (prescription drug) 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 Niacin (prescription drug) on its own and move Java Tea 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.
How was the Java Tea and Niacin (prescription drug) combination checked?
Interactions in our licensed database are recorded against drug classes. Niacin (prescription drug) is filed under 3 classifications, and Java Tea has documented interactions with 2 drug classes — none of Niacin (prescription drug)'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 Java Tea interact with any other medications?
Yes. Java Tea has 173 documented drug interactions in our database — Niacin (prescription drug) 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 Niacin (prescription drug) interact with any supplements?
Yes. Niacin (prescription drug) has documented interactions with 60 supplements in our database — Java Tea is not one of them. The Niacin (prescription drug) 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

Java Tea monograph Uses, safety profile, and every drug interaction in one place Niacin drug information The full plain-English guide to this medication Niacin (prescription drug) supplement interactions Every supplement checked against Niacin (prescription drug), 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Niacin (prescription drug) and Java Tea?

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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.