Medication interaction hub

What Supplements Interact with Guanabenz Acetate?

Guanabenz Acetate brand name: Wytensin. Every interaction below applies to the brands too.

137 Interactions 4 Major 112 Moderate 21 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 Guanabenz Acetate? 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 Guanabenz Acetate 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.

Guanabenz acetate (Wytensin) is an older blood pressure medicine, and the 137 supplements on file call for genuine vigilance, beginning with the four rated major. Two are toxic plants that can strain the heart or swing pressure hard, one is tyramine, found in aged cheeses and cured meats, which fights the drug's effect, and one is activated charcoal, which can soak up the dose before the body absorbs it. The remaining 112 moderate and 21 minor entries mostly either add to guanabenz's pressure-lowering, as fish oil does, or push pressure back up and blunt it.

A smaller cluster of seventeen interferes with absorption itself. Bulky fibers and charcoal products can keep the dose from reaching the bloodstream, so space them well apart from your pill. Guanabenz only helps while it is in your system; an ingredient that quietly blocks absorption undoes the prescription as surely as one that fights it.

— , Clinical Pharmacist · July 18, 2026

Major 4 Moderate 112 Minor 21 No known interaction 1,315

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

Guanabenz Acetate: Top Interactions at a Glance

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

Showing the 12 highest-ranked of 137 interacting ingredients — plus 1,315 more checked with no known interaction. See the complete ranked list.

Start here

The Major Interactions to Know About

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

Major Likelihood Likely American Hellebore + Guanabenz Acetatei

American hellebore can have potent cardiovascular effects due to the toxic steroid ester alkaloids it contains.

Read the full interaction Major Likelihood Likely Tyramine + Guanabenz Acetatei

Tyramine may increase the risk of hypertension and reduce the effects of antihypertensive drugs.

Read the full interaction Major Likelihood Probable Activated Charcoal + Guanabenz Acetatei

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.

Read the full interaction Major Likelihood Probable American Mistletoe + Guanabenz Acetatei

American mistletoe contains phoratoxin, a compound toxic to humans that induces smooth muscle contraction and vasoconstriction, potentially increasing blood pre...

Read the full interaction
The complete list

Every Supplement Checked Against Guanabenz Acetate

All 1,452 ingredients in our database, ranked by severity — 137 with a Guanabenz Acetate interaction on file and 1,315 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 Guanabenz Acetate?

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 Vitamin B6 with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, vitamin B6 may have additive effects when used with antihypertensive drugs.

Full Vitamin B6 + Guanabenz Acetate answer

Can you take Docosahexaenoic Acid (dha) with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking DHA with antihypertensive drugs might increase the risk of hypotension.

Full Docosahexaenoic Acid (dha) + Guanabenz Acetate answer

Can you take Algin with Guanabenz Acetate?

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 + Guanabenz Acetate answer

Can you take Flaxseed Oil with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, combining flaxseed oil with other antihypertensive drugs might have additive effects and increase the risk of hypotension.

Full Flaxseed Oil + Guanabenz Acetate answer

Can you take Gamma-aminobutyric Acid (gaba) with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking GABA with antihypertensive drugs might increase the risk of hypotension.

Full Gamma-aminobutyric Acid (gaba) + Guanabenz Acetate answer

Can you take Garden Cress with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking garden cress with antihypertensive drugs might increase the risk of hypotension.

Full Garden Cress + Guanabenz Acetate answer

Can you take Garlic with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking garlic with antihypertensive drugs might increase the risk of hypotension.

Full Garlic + Guanabenz Acetate answer

Can you take Gentian with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking gentian with antihypertensive drugs might increase the risk of hypotension.

Full Gentian + Guanabenz Acetate answer

Can you take Goji with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of goji root bark, but not goji fruit, with antihypertensive drugs might have additive effects.

Full Goji + Guanabenz Acetate answer

Can you take Goldenseal with Guanabenz Acetate?

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

Full Goldenseal + Guanabenz Acetate answer

Can you take Guar Gum with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Guar gum might reduce the absorption of some oral drugs, potentially decreasing their effectiveness.

Full Guar Gum + Guanabenz Acetate answer

Can you take Guarumo with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Evidence from animal research suggests that aqueous and ethanolic extracts of guarumo leaf can lower blood pressure when administered intrav...

Full Guarumo + Guanabenz Acetate answer

Can you take Gum Arabic with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.

Full Gum Arabic + Guanabenz Acetate answer

Can you take Hesperidin with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking hesperidin with antihypertensive drugs might increase the risk of hypotension.

Full Hesperidin + Guanabenz Acetate answer

Can you take Hibiscus Sabdariffa with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking Hibiscus sabdariffa with antihypertensive drugs might increase the risk of hypotension.

Full Hibiscus Sabdariffa + Guanabenz Acetate answer

Can you take Hoodia with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Clinical research shows that hoodia can increase blood pressure.

Full Hoodia + Guanabenz Acetate answer

Can you take Horny Goat Weed with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, horny goat weed might increase the risk of hypotension.

Full Horny Goat Weed + Guanabenz Acetate answer

Can you take Indian Snakeroot with Guanabenz Acetate?

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

Full Indian Snakeroot + Guanabenz Acetate answer

Can you take Isopropylnorsynephrine with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, isopropylnorsynephrine might decrease the effects of antihypertensive drugs.

Full Isopropylnorsynephrine + Guanabenz Acetate answer

Can you take Khat with Guanabenz Acetate?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Human research shows that khat and its constituent, cathinone, can increase blood pressure.

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

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

Antihypertensive Drugs 119 ingredients

Blood-pressure-lowering medications. Supplements that lower (or raise) blood pressure can amplify or fight these drugs.

119 of the supplement ingredients on this page reach Guanabenz Acetate 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 Guanabenz Acetate through this category.

Alpha-Adrenergic Agonists 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 Guanabenz Acetate through this category.

About Guanabenz Acetate

Guanabenz Acetate is a prescription medication also sold under the brand name Wytensin. Because supplements and herbal products can change how medications work — or how strongly — every ingredient on this page has been checked against it in our interaction database.

Generic name: Guanabenz Acetate  ·  Brand name: Wytensin.

See the full Guanabenz drug information

Related: does Guanabenz Acetate deplete any nutrients?

Guanabenz Acetate has 1 reported nutrient association in the research literature — see the Guanabenz Acetate nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Guanabenz Acetate

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 Guanabenz Acetate.

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Products that contain Guanabenz Acetate-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 Guanabenz Acetate.

TNT Thermanite by GEC Genetic Edge Compounds contains Tyramine Diablos ECA Fire Caps by Innovative Laboratories contains Tyramine Ultimate Burn by Schwartz Laboratories contains Tyramine Final Cutz by Infinite Labs contains Tyramine
Pharmacist Counseling Corner

Guanabenz Acetate & Supplements: Common Questions

What supplements interact with Guanabenz Acetate?
In our interaction database, 137 supplement and herbal ingredients have an interaction with Guanabenz Acetate on file — 4 rated major, 112 moderate, and 21 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: American Hellebore, Tyramine, Activated Charcoal.
Which Guanabenz Acetate supplement interactions are the most serious?
Focus on the major group: American Hellebore, Tyramine, Activated Charcoal and American Mistletoe. A major rating means the combination can be clinically significant, not that harm is guaranteed — but it's exactly the kind of thing to run past your pharmacist before your next dose, not after. Jump to the ranked list.
Can I take vitamins or supplements while on Guanabenz Acetate?
That depends entirely on which supplement. The honest answer for Guanabenz Acetate 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 Wytensin have the same supplement interactions as Guanabenz Acetate?
Yes — Wytensin all contain Guanabenz Acetate, 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 Guanabenz Acetate deplete any vitamins or nutrients?
It might — Guanabenz Acetate has 1 reported nutrient-depletion association 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 Guanabenz Acetate nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Guanabenz Acetate and my other medications?
This page covers Guanabenz Acetate against supplements and herbal ingredients. Checking Guanabenz Acetate 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 Guanabenz 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 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.