Medication interaction hub

What Supplements Interact with Theobromine?

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

97 Interactions 7 Major 75 Moderate 15 Minor
Curated & coded by · Clinical Pharmacist · Updated September 22, 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 Theobromine? 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 Theobromine 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.

Theobromine, the caffeine cousin found in chocolate and used medically as a mild diuretic and blood vessel relaxer, deserves real care around supplements. Most of the trouble runs through its diuretic action: dozens of herbs, from aloe latex to apple cider vinegar, either add their own fluid-losing effect or drain potassium, and together that can drop potassium to risky levels. Ephedra stands apart, since stimulant herbs stacked on a caffeine-like drug such as theobromine raise the odds of serious overstimulation.

A smaller cluster changes how much of an oral dose you absorb; activated charcoal earns a major rating for that, and bulky fibers such as glucomannan should be spaced well away from the pill. Alcohol adds to the vessel-relaxing effect and can drop blood pressure sharply. All told, 97 ingredients are flagged, and while 75 rate moderate and 15 minor, the seven rated major carry most of the danger and are worth reading before the rest.

— , Clinical Pharmacist · July 18, 2026

Major 7 Moderate 75 Minor 15 No known interaction 1,355

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 ↓

Most Viewed Ingredient Interactions

Theobromine: Top Interactions at a Glance

The Theobromine supplement & herbal interactions people checked most in the last 24 hours, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 97 interacting ingredients — plus 1,355 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Theobromine Combinations Today

The Theobromine + supplement pages people viewed most in the last 24 hours (resets at midnight). Open any card for the full report.

Moderate Likelihood Possible Apple Cider Vinegar + Theobrominei

Theoretically, concomitant use of apple cider vinegar with diuretic drugs might increase the risk of hypokalemia.

Read the full interaction Minor Likelihood Possible Juniper + Theobrominei

Theoretically, juniper berry might increase the risk of adverse effects from diuretic drugs.

Read the full interaction Moderate Likelihood Possible Wahoo + Theobrominei

Theoretically, concomitant use of potassium-depleting diuretics with wahoo can increase the risk of cardiac glycoside toxicity due to potassium depletion.

Read the full interaction Minor Likelihood Possible Algin + Theobrominei

Theoretically, algin can alter the absorption of oral drugs.

Read the full interaction Moderate Likelihood Possible Ilex Guayusa + Theobrominei

Theoretically, concomitant use might increase the risk of hypokalemia.

Read the full interaction Major Likelihood Probable Activated Charcoal + Theobrominei

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 Theobromine

All 1,452 ingredients in our database, ranked by severity — 97 with a Theobromine interaction on file and 1,355 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 Theobromine?

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 Apple Cider Vinegar with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of apple cider vinegar with diuretic drugs might increase the risk of hypokalemia.

Full Apple Cider Vinegar + Theobromine answer

Can you take Juniper with Theobromine?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, juniper berry might increase the risk of adverse effects from diuretic drugs.

Full Juniper + Theobromine answer

Can you take Wahoo with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of potassium-depleting diuretics with wahoo can increase the risk of cardiac glycoside toxicity due to potass...

Full Wahoo + Theobromine answer

Can you take Algin with Theobromine?

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 + Theobromine answer

Can you take Ilex Guayusa with Theobromine?

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

Full Ilex Guayusa + Theobromine answer

Can you take Oleander with Theobromine?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, diuretic drugs may increase the risk of oleander toxicity.

Full Oleander + Theobromine answer

Can you take Sida Cordifolia with Theobromine?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, Sida cordifolia might increase the risk of serious adverse effects when taken with methylxanthines.

Full Sida Cordifolia + Theobromine answer

Can you take Yellow Dock with Theobromine?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, yellow dock might increase the risk of hypokalemia when taken with diuretics.

Full Yellow Dock + Theobromine answer

Can you take Beer with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concomitant use may increase the risk of acute hypotension.

Full Beer + Theobromine answer

Can you take Coffee Charcoal with Theobromine?

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 + Theobromine answer

Can you take European Mandrake with Theobromine?

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 + Theobromine answer

Can you take Glucomannan with Theobromine?

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 + Theobromine answer

Can you take Wine with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concomitant use may increase the risk of acute hypotension.

Full Wine + Theobromine answer

Can you take Abuta with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking abuta with diuretic drugs might cause additive effects and increase the risk of adverse effects.

Full Abuta + Theobromine answer

Can you take Alder Buckthorn with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Alder buckthorn has stimulant laxative effects.

Full Alder Buckthorn + Theobromine answer

Can you take Aloe with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, aloe latex might increase the risk of hypokalemia when taken with diuretic drugs.

Full Aloe + Theobromine answer

Can you take Asparagus with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, asparagus root might increase diuresis and electrolyte loss when used with diuretic drugs.

Full Asparagus + Theobromine answer

Can you take Asparagus Racemosus with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, asparagus racemosus root might increase diuresis and electrolyte loss when used with diuretic drugs.

Full Asparagus Racemosus + Theobromine answer

Can you take Black Hellebore with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of potassium depleting diuretics and black hellebore can increase the risk of cardiac glycoside toxicity due...

Full Black Hellebore + Theobromine answer

Can you take Black Root with Theobromine?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Overuse of black root might compound diuretic-induced potassium loss.There is some concern that people taking black root along with potassiu...

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

Theobromine sits in 4 interaction categories. Open any one to see what the group means:

Diuretic Drugs 73 ingredients

Medications that increase fluid loss. Supplements affecting fluid or electrolytes (like potassium) can interact with them.

73 of the supplement ingredients on this page reach Theobromine through this category.

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 Theobromine through this category.

Methylxanthines 5 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.

5 of the supplement ingredients on this page reach Theobromine through this category.

Vasodilators 3 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.

3 of the supplement ingredients on this page reach Theobromine through this category.

Related: does Theobromine deplete any nutrients?

Theobromine has 7 reported nutrient associations in the research literature — see the Theobromine nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Theobromine

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 Theobromine.

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Grounded search over our product catalog — every verdict comes from our interaction database, never AI guesswork. How we use AI

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Prefer typing? The interaction checker looks up products by name too.

Products that contain Theobromine-interacting ingredients

Real supplements from the NIH label database that contain the top interacting ingredients on this page — each one is worth a full label check before combining with Theobromine.

Carda Lean by BS Supplements contains Ephedra Lean 40 by First Choice Supplements contains Ephedra Lipodrene with 25 mg Ephedra Extract by Hi-Tech Pharmaceuticals contains Ephedra Stimerex-ES by HTP Hi-Tech Pharmaceuticals contains Ephedra
Pharmacist Counseling Corner

Theobromine & Supplements: Common Questions

What supplements interact with Theobromine?
More than you might expect — 97 in total, though they are far from equal: 7 are rated major, 75 moderate, and 15 minor. The ranked list on this page puts the ones that genuinely matter first, and every entry opens a full report on that exact pair. The highest-ranked right now: Activated Charcoal, American Mistletoe, Ephedra.
Which Theobromine supplement interactions are the most serious?
The 7 major-rated combinations — led by Activated Charcoal, American Mistletoe, Ephedra, Lithium and Oleander — 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 Theobromine?
Usually yes — most people on Theobromine can take most supplements. The catch is the exceptions, and they aren't always the exotic ones (St. John's Wort trips up more prescriptions than almost anything sold next to it). Look up each ingredient you actually take in the list above, and treat "no known interaction" as a green-ish light, not a guarantee. Try the label scanner or the interaction checker.
Do brands like Theobromine have the same supplement interactions as Theobromine?
Yes — Theobromine all contain Theobromine, 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 Theobromine deplete any vitamins or nutrients?
It might — Theobromine has 7 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 Theobromine nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Theobromine and my other medications?
This page covers Theobromine against supplements and herbal ingredients. Checking Theobromine 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 22, 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.