Drug & supplement interaction

Yohimbe + Nebivolol Hydrochloride, Valsartan

Nebivolol Hydrochloride, Valsartan brand name: Byvalson.

Moderate Interaction
Medically reviewed by · Updated October 2026
The bottom line Moderate

Nebivolol Hydrochloride, Valsartan falls into 2 drug categories that Yohimbe can interact with; the most serious is rated moderate. Theoretically, yohimbe might reduce the effects of antihypertensive drugs.

Read the full interaction report
SeverityModerate
LikelihoodProbable
Interactions2
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Yohimbe and Nebivolol Hydrochloride, Valsartan

These two interact in 2 distinct ways. Each one is explained separately below.

Why Are There 2 Interactions?

Yohimbe interacts with whole categories of medication. Nebivolol Hydrochloride, Valsartan falls into 2 of those categories, so it can interact with Yohimbe in 2 different ways. We’ve listed each one below — your overall risk is driven by the most serious of them (Moderate).

Moderate

ANTIHYPERTENSIVE DRUGS

1 of 2

Why this applies to Nebivolol Hydrochloride, Valsartan

Nebivolol Hydrochloride, Valsartan falls under ANTIHYPERTENSIVE DRUGS — the group Yohimbe interacts with.

Theoretically, yohimbe might reduce the effects of antihypertensive drugs.
Yohimbine, a constituent of yohimbe, is an alpha-2 adrenoceptor antagonist and has been reported to increase blood pressure in clinical research. Theoretically, concomitant use of yohimbe and antihypertensive drugs can interfere with blood pressure control.
Severity Moderate Likelihood Probable Evidence D

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..

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the thing about Byvalson: it pairs nebivolol (a beta-blocker) with valsartan to bring your blood pressure down. Yohimbe works in the opposite direction. The yohimbine in it blocks alpha-2 receptors, which can raise blood pressure and speed up your heart rate. So taking yohimbe alongside your medication could push your numbers back up and partly cancel out the very effect you're taking Byvalson for.

I'll be honest, this concern is based mainly on how yohimbe behaves in the body rather than strong studies in people on this exact combo. Still, since over-the-counter yohimbe doses vary a lot and can spike blood pressure on their own, I'd run it by your pharmacist or doctor before mixing the two.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  2. Kearney T, Tu N, Haller C. Adverse drug events associated with yohimbine-containing products: a retrospective review of the California Poison Control System reported cases. Ann Pharmacother 2010;44:1022-9. PubMed
Moderate

CYTOCHROME P450 2D6 (CYP2D6) SUBSTRATES

2 of 2

Nebivolol Hydrochloride, Valsartan also falls under CYTOCHROME P450 2D6 (CYP2D6) SUBSTRATES.

Theoretically, yohimbe might increase the levels and adverse effects of CYP2D6 substrates.
In vitro research suggests that yohimbine, a constituent of yohimbe bark, inhibits CYP2D6 enzyme activity.
Severity Moderate Likelihood Possible Evidence D

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.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Byvalson combines two medicines, and the one we care about here is nebivolol, a beta-blocker that your liver clears using an enzyme called CYP2D6. Lab studies hint that yohimbine, the active part of yohimbe, can slow that enzyme down. If that happens, nebivolol could build up a bit higher than usual, which might mean more of its effects, like a slower heartbeat, dizziness, or feeling tired or lightheaded.

There's another wrinkle: yohimbe itself tends to raise blood pressure and speed up heart rate, which works directly against what Byvalson is meant to do. Keep in mind this enzyme concern is only theoretical, based on test-tube research, not real patients. Still, given the opposing effects on blood pressure, I'd run yohimbe by your pharmacist or doctor before combining the two.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. VandenBrink, B. M., Foti, R. S., Rock, D. A., Wienkers, L. C., and Wahlstrom, J. L. Prediction of CYP2D6 drug interactions from in vitro data: evidence for substrate-dependent inhibition. Drug Metab Dispos. 2012;40(1):47-53. PubMed

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction 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.
  • PossibleInteraction 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.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Yohimbe Also Interacts With Other Medications

Yohimbe has 9 major, 679 moderate, 437 minor known drug interactions in our database — the Nebivolol Hydrochloride, Valsartan one above is among them. If you take anything else, check it against the full list below.

Major 9 Moderate 679 Minor 437 No known interaction 1,705 (incl. Nebivolol Hydrochloride, Valsartan)
Taking anything else?

Check Another of Your Medications Against Yohimbe

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

Everything else you take

See Every Supplement That Interacts With Nebivolol Hydrochloride, Valsartan

This page covers Yohimbe only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Nebivolol Hydrochloride, Valsartan page lists 213 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), American Mistletoe (major), Indian Snakeroot (major) and Tyramine (major).

By severity: 5 major · 173 moderate · 35 minor.

From our pharmacist’s overview on the Nebivolol Hydrochloride, Valsartan page

“Nebivolol with valsartan (Byvalson) packs two blood pressure medicines into one pill, and I would treat this list with genuine care, especially its handful of serious entries. Most of the interactions tug on blood pressure itself, some deepening the drop until dizziness or fainting becomes a risk, others, tyramine among them, pushing p…”

Reviewed by 2 · Jul 18, 2026

Open the Nebivolol Hydrochloride, Valsartan interaction page

One more smart check

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

We hold 1,054 real supplement products containing Yohimbe, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Yohimbe. Your product may carry other ingredients that interact with Nebivolol Hydrochloride, Valsartan too, on top of Yohimbe — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Yohimbe and Nebivolol Hydrochloride, Valsartan 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 Yohimbe
Top 25%

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

29 days ago today
Medication Nebivolol Hydrochloride, Valsartan
Top 5%

#68 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.

Supplement

About Yohimbe

What is Yohimbe?

Yohimbe
  • Erectile dysfunction
  • Low sex drive
  • Sexual performance
  • Weight loss
  • Athletic performance

Yohimbe is a West African tree bark that contains yohimbine, a compound mainly promoted for erectile dysfunction and as an aphrodisiac. A prescription form of yohimbine has some evidence for erectile dysfunction, but over-the-counter yohimbe supplements vary widely in content and can cause serious side effects like high blood pressure and fast heart rate. Because of these safety concerns, talk to your pharmacist or doctor before using it.

Read the full Yohimbe monograph & all interactions
Keep checking

Other Drugs & Yohimbe

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

9Major
679Moderate
437Minor
1,704No known interaction
9 Major 679 Moderate 437 Minor 1,704 No interaction
Major

9 interactions

Moderate

679 interactions

Showing 60 of 679 moderate interactions — see all 679 on the Yohimbe page.

Minor

437 interactions

Showing 60 of 437 minor interactions — see all 437 on the Yohimbe page.

No interaction 1,704 drugs checked — show the list

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

Showing the 60 most looked-up of 1,704 medications checked with no known interaction — see the full Yohimbe list.

See the full Yohimbe interactions page
See every supplement checked against Nebivolol Hydrochloride, Valsartan, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Yohimbe monograph › Uses, safety, and every drug interaction in one place Nebivolol Hydrochloride, Valsartan supplement interactions › Every supplement checked against Nebivolol Hydrochloride, Valsartan, 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 Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Yohimbe and Nebivolol Hydrochloride, Valsartan Together: Common Questions

Can you take Yohimbe with Nebivolol Hydrochloride, Valsartan?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
Why are there 2 interactions listed for Yohimbe and Nebivolol Hydrochloride, Valsartan?
Nebivolol Hydrochloride, Valsartan belongs to more than one drug category, and Yohimbe interacts with each of those categories a little differently. We list every one so nothing is missed — your overall risk is driven by the most serious of them.
How serious is the Yohimbe and Nebivolol Hydrochloride, Valsartan interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

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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.