Medication interaction hub

What Supplements Interact with Isoproterenol?

Isoproterenol brand name: Isuprel. Every interaction below applies to the brands too.

16 Interactions 16 Moderate
Curated & coded by · Clinical Pharmacist · Updated September 16, 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 Isoproterenol? 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 Isoproterenol 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.

Isoproterenol (Isuprel) is a heart stimulant, usually given in a hospital to speed up a dangerously slow heartbeat, and all 16 supplement interactions on record with it are rated moderate, none major. That makes this a list to know rather than fear. Nearly everything on it is caffeine wearing a different label, from coffee and black tea to guarana, cola nut, and yerba mate, and large amounts of any of them could theoretically add to the drug's stimulating push on the heart.

The outliers matter too. Ephedra and methylsynephrine, found in some weight-loss and workout products, are stimulants themselves and carry the same additive concern. L-arginine may widen blood vessels and lower blood pressure further, and heavy baking soda use can pull potassium too low. A strong coffee habit is the most common overlap here, and the one detail most worth telling whoever gives you this drug.

— , Clinical Pharmacist · July 18, 2026

Moderate 16 No known interaction 1,436

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

Isoproterenol: Top Interactions at a Glance

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

Showing the 12 highest-ranked of 16 interacting ingredients — plus 1,436 more checked with no known interaction. See the complete ranked list.

Start here

The Moderate Interactions to Know About

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

Moderate Likelihood Probable Black Tea + Isoproterenoli

Theoretically, concomitant use of large amounts of black tea might increase cardiac inotropic effects of beta-agonists.

Read the full interaction Moderate Likelihood Probable Caffeine + Isoproterenoli

Theoretically, large amounts of caffeine might increase the cardiac inotropic effects of beta-agonists.

Read the full interaction Moderate Likelihood Probable Cocoa + Isoproterenoli

Theoretically, large amounts of cocoa might increase the cardiac inotropic effects of beta-agonists.

Read the full interaction Moderate Likelihood Probable Coffee + Isoproterenoli

Theoretically, concomitant use of large amounts of coffee might increase cardiac inotropic effects of beta-agonists.

Read the full interaction Moderate Likelihood Probable Cola Nut + Isoproterenoli

Theoretically, the caffeine in cola nut might increase the clinical effects of beta-adrenergic agonists.

Read the full interaction Moderate Likelihood Probable Ephedra + Isoproterenoli

Theoretically, large amounts of ephedra might increase the cardiac inotropic effects of beta-agonists.

Read the full interaction
The complete list

Every Supplement Checked Against Isoproterenol

All 1,452 ingredients in our database, ranked by severity — 16 with a Isoproterenol interaction on file and 1,436 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 Isoproterenol?

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 Guarana with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might increase the clinical effects of beta-adrenergic agonists.

Full Guarana + Isoproterenol answer

Can you take Ilex Guayusa with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of Ilex guayusa might increase cardiac inotropic effects of beta-agonists.

Full Ilex Guayusa + Isoproterenol answer

Can you take L-arginine with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.

Full L-arginine + Isoproterenol answer

Can you take Oolong Tea with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, large amounts of oolong tea might increase the cardiac inotropic effects of beta-agonists.

Full Oolong Tea + Isoproterenol answer

Can you take Pu-erh Tea with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of pu-erh tea might increase cardiac inotropic effects of beta-agonists.

Full Pu-erh Tea + Isoproterenol answer

Can you take Yerba Mate with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, the caffeine in yerba mate might increase the cardiac inotropic effects of beta-agonists, especially if taken in large amount...

Full Yerba Mate + Isoproterenol answer

Can you take Methylsynephrine with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Methylsynephrine has beta agonist activity.

Full Methylsynephrine + Isoproterenol answer

Can you take Sodium Bicarbonate with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, sodium bicarbonate may increase the risk for hypokalemia in patients taking beta-adrenergic agonists.

Full Sodium Bicarbonate + Isoproterenol answer

Can you take Black Tea with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of black tea might increase cardiac inotropic effects of beta-agonists.

Full Black Tea + Isoproterenol answer

Can you take Caffeine with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, large amounts of caffeine might increase the cardiac inotropic effects of beta-agonists.

Full Caffeine + Isoproterenol answer

Can you take Cocoa with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, large amounts of cocoa might increase the cardiac inotropic effects of beta-agonists.

Full Cocoa + Isoproterenol answer

Can you take Coffee with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of coffee might increase cardiac inotropic effects of beta-agonists.

Full Coffee + Isoproterenol answer

Can you take Cola Nut with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, the caffeine in cola nut might increase the clinical effects of beta-adrenergic agonists.

Full Cola Nut + Isoproterenol answer

Can you take Ephedra with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, large amounts of ephedra might increase the cardiac inotropic effects of beta-agonists.

Full Ephedra + Isoproterenol answer

Can you take Green Coffee with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of green coffee might increase cardiac inotropic effects of beta-agonists.

Full Green Coffee + Isoproterenol answer

Can you take Green Tea with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Green tea contains caffeine.

Full Green Tea + Isoproterenol answer

Can you take Guarana with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might increase the clinical effects of beta-adrenergic agonists.

Full Guarana + Isoproterenol answer

Can you take Ilex Guayusa with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of large amounts of Ilex guayusa might increase cardiac inotropic effects of beta-agonists.

Full Ilex Guayusa + Isoproterenol answer

Can you take L-arginine with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.

Full L-arginine + Isoproterenol answer

Can you take Oolong Tea with Isoproterenol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, large amounts of oolong tea might increase the cardiac inotropic effects of beta-agonists.

Full Oolong Tea + Isoproterenol 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) Isoproterenol is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Isoproterenol, 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.

Isoproterenol sits in 2 interaction categories. Open any one to see what the group means:

Beta-Adrenergic Agonists 15 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.

15 of the supplement ingredients on this page reach Isoproterenol through this category.

Isoproterenol (Isuprel) 1 ingredient

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.

1 of the supplement ingredient on this page reaches Isoproterenol through this category.

Related: does Isoproterenol deplete any nutrients?

Isoproterenol has 2 reported nutrient associations in the research literature — see the Isoproterenol nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Isoproterenol

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 Isoproterenol.

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Pharmacist Counseling Corner

Isoproterenol & Supplements: Common Questions

What supplements interact with Isoproterenol?
In our interaction database, 16 supplement and herbal ingredients have an interaction with Isoproterenol on file — 0 rated major, 16 moderate, and 0 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: Black Tea, Caffeine, Cocoa.
Which Isoproterenol supplement interactions are the most serious?
None of the Isoproterenol supplement interactions on file are currently rated major. The most significant are the 16 moderate-rated ones — combinations that may need monitoring, a dose adjustment, or separated timing. Still worth a quick look through the ranked list for anything you take daily. Jump to the ranked list.
Can I take vitamins or supplements while on Isoproterenol?
That depends entirely on which supplement. The honest answer for Isoproterenol 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 Isuprel have the same supplement interactions as Isoproterenol?
Yes — Isuprel all contain Isoproterenol, 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.
Does Isoproterenol deplete any vitamins or nutrients?
It might — Isoproterenol has 2 reported nutrient-depletion associations in the research literature, which is a different question from interactions: instead of a supplement changing the drug, the drug may lower a nutrient over time. See the Isoproterenol nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Isoproterenol and my other medications?
This page covers Isoproterenol against supplements and herbal ingredients. Checking Isoproterenol 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.

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 16, 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.