Drug & supplement interaction

Jackfruit + Ranolazine

Ranolazine brand names: Ranexa, Aspruzyo.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Jackfruit and Ranolazine 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 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.

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Interaction report

Jackfruit and Ranolazine

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 Ranolazine and Jackfruit 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.

Jackfruit safety at a glance

Jackfruit overall Generally safe The ripe fruit is widely eaten and generally safe as a food for most people.
Pregnancy Use caution The fruit as food is likely fine, but concentrated supplements lack safety data and should be avoided unless approved by your doctor.
Breastfeeding Use caution Eating the fruit is likely fine, but there is not enough safety data on medicinal jackfruit products while breastfeeding.

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

Still wondering about combining Ranolazine and Jackfruit? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Ranolazine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Ranolazine is filed under 5 classifications — including cytochrome p450 2d6 (cyp2d6) inhibitors, qt interval-prolonging drugs, p-glycoprotein substrates. Jackfruit has documented interactions with 3 drug classes — the most serious being anticoagulant/antiplatelet drugs (moderate), antidiabetes drugs (moderate) and cns depressants (moderate) — and none of Ranolazine’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

Jackfruit Does Interact With Other Medications

Jackfruit has 437 moderate known drug interactions in our database — Ranolazine isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Jackfruit

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

What to actually watch for

No Interaction Found — But Data Suggests Jackfruit and Ranolazine 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. One of them is worth acting on rather than waiting out — marked below.

  • Shortness of breath Worth acting on reported in 4.2% of FDA reports for Ranolazine Additional detail

    Jackfruit

    “Orally, the fruit of jackfruit might cause serious allergic reactions, including anaphylaxis, in sensitive individuals. In one case report, a 34-year-old female developed anaphylaxis with symptoms of cough, dyspnea, facial swelling, and urticaria after eating 10 pieces of dried jackfruit. There is speculation that latex allergy might result in a cross-reactivity to jackfruit.”

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

    2 sources cited
    1. 98378. Wongrakpanich S, Klaewsongkram J, Chantaphakul H, Ruxrungtham K. Jackfruit anaphylaxis in a latex allergic patient. Asian Pac J Allergy Immunol. 2015;33(1):65-8.
    2. 112050. Jalil M, Hostoffer R, Wu SS. Jackfruit Anaphylaxis in a Latex Allergic Non-Healthcare Worker. Allergy Rhinol (Providence) 2021;12:21526567211009195. PubMed

    Ranolazine

    Listed in the ADVERSE REACTIONS section of the FDA label for Ranolazine, and in voluntary FDA adverse-event reports. Read the label on DailyMed ›

  • Swelling Additional detail

    Jackfruit

    Recorded for Jackfruit in the same Natural Medicines adverse-effect record shown under Shortness of breath above.

    Ranolazine

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

Reported for Jackfruit but not commonly for Ranolazine: an allergic reaction, a severe allergic reaction, hives and cough.

Effects for Ranolazine come from the ADVERSE REACTIONS section of its FDA label; effects for Jackfruit come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 10,189 voluntary FDA FAERS reports for Ranolazine that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Everything else you take

See Every Supplement That Interacts With Ranolazine

This page covers Jackfruit only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ranolazine page lists 153 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), Arsenic (major), Cesium (major) and Ephedra (major).

By severity: 8 major · 109 moderate · 36 minor.

From our pharmacist’s overview on the Ranolazine page

“Ranolazine (Ranexa, Aspruzyo), a medicine for chronic chest pain, depends heavily on one liver enzyme, CYP3A4, and that is where most of its supplement trouble sits. Grapefruit can push ranolazine levels up, St.”

Reviewed by 2 · Jul 18, 2026

Open the Ranolazine interaction page

How much people look this up

Where Jackfruit and Ranolazine 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 Jackfruit
Top half

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

29 days ago today
Medication Ranolazine
Top half

#1,125 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 Jackfruit reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Jackfruit and Ranolazine records this page draws on were last updated July 10, 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 Jackfruit

What is Jackfruit?

Jackfruit
  • General nutrition
  • Blood sugar support
  • Digestive health (fiber)
  • Antioxidant support
  • Wound care (traditional, latex/leaves)

Jackfruit is a large tropical fruit that is nutritious and safe to eat as a food, offering fiber, vitamin C, potassium, and antioxidants. While its leaves, seeds, and other parts are used in traditional medicine for things like blood sugar and digestion, strong human evidence for these supplement uses is limited. Talk to your pharmacist or doctor before using concentrated jackfruit products for a health condition.

Artocarpus heterophyllus · Moraceae · Fruit, seeds, leaves, bark, roots, and latex · Fresh or canned fruit, dried fruit, flour, seeds, capsules, powder, and leaf or bark extracts

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

Jackfruit: dosing

There is no established standard dose for jackfruit as a supplement. As a food, you can simply enjoy it as part of a balanced diet.For capsules, powders, or extracts, no proven medicinal dose has been set in research, so follow the directions on the product label.

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

Read the full Jackfruit monograph & all interactions
Medication

About Ranolazine

What Is Ranolazine Used For?

Brand names: Ranexa, Aspruzyo

Ranolazine treats chronic angina — the recurring chest pain or pressure that happens when the heart isn't getting enough blood and oxygen. It is used when other angina medicines aren't enough on their own.

Both the extended-release tablet (sold as Ranexa and generic ranolazine) and the oral powder form (sold as Aspruzyo Sprinkle) are approved for this use. Ranolazine can be combined with other heart medicines such as beta-blockers, nitrates, calcium channel blockers, anti-platelet drugs, statins, ACE inhibitors, and angiotensin receptor blockers.

Most-Reported Side Effects for Ranolazine

From FAERS, the FDA’s public side-effect reporting system (10,376 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Myocardial infarction 646 reports
Chest pain 614 reports
Angina pectoris 595 reports
Stent placement 582 reports
Dyspnea 439 reports
See full Ranolazine drug information
Keep checking

Other Drugs & Jackfruit

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

0Major
437Moderate
0Minor
2,392No known interaction
Moderate

437 interactions

Showing 60 of 437 moderate interactions — see all 437 on the Jackfruit page.

No interaction 2,392 drugs checked — show the list
Evidence & sources

Jackfruit References

The 7 references that drive our Jackfruit 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. Fernando MR, Wickramasinghe N, Thabrew MI, Ariyananda PL, Karunanayake EH. Effect of Artocarpus heterophyllus and Asteracanthus longifolia on glucose tolerance in normal human subjects and in maturity-onset diabetic patients. J Ethnopharmacol 1991;31(3):2 PubMed
  2. Ratnasooriya WD, Jayakody JR. Artocarpus heterophyllus seeds inhibits sexual competence but not fertility of male rats. Indian J Exp Biol 2002;40(3):304-308.
  3. Siritapetawee J, Thammasirirak S. Purification and characterization of a heteromultimeric glycoprotein from Artocarpus heterophylluslatex with an inhibitory effect on human blood coagulation. Acta Biochim Pol. 2011;58(4):521-8.
  4. Siritapetawee J, Thumanu K, Sojikul P, Thammasirirak S. A novel serine protease with human fibrino(geno)lytic activities from Artocarpus heterophylluslatex. Biochim Biophys Acta. 2012;1824(7):907-12.
  5. Wongrakpanich S, Klaewsongkram J, Chantaphakul H, Ruxrungtham K. Jackfruit anaphylaxis in a latex allergic patient. Asian Pac J Allergy Immunol. 2015;33(1):65-8.
  6. Jalil M, Hostoffer R, Wu SS. Jackfruit Anaphylaxis in a Latex Allergic Non-Healthcare Worker. Allergy Rhinol (Providence) 2021;12:21526567211009195. PubMed
  7. Rao AG, Naik KS, Unnikrishnan AG, Joseph J. Efficacy of green jackfruit flour as a medical nutrition therapy replacing rice or wheat in patients with type 2 diabetes mellitus: a randomized, double-blind, placebo-controlled study. Nutr Diabetes 2021;11(1): 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 Jackfruit and Ranolazine Together: Common Questions

Is it safe to take Jackfruit with Ranolazine?
We do not list a known interaction between Jackfruit and Ranolazine. 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 Jackfruit and Ranolazine have any of the same side effects?
Yes — our sources link each of them separately to 2 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.
How was the Jackfruit and Ranolazine combination checked?
Interactions in our licensed database are recorded against drug classes. Ranolazine is filed under 5 classifications, and Jackfruit has documented interactions with 3 drug classes — none of Ranolazine'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 Jackfruit interact with any other medications?
Yes. Jackfruit has 437 documented drug interactions in our database — Ranolazine 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 Ranolazine interact with any supplements?
Yes. Ranolazine has documented interactions with 153 supplements in our database — Jackfruit is not one of them. The Ranolazine interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Ranolazine and Jackfruit?

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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.