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Medicine safety

Butcher's Broom and Blood Pressure: An Honest Evidence Gap

Butcher's broom and blood pressure medicine are on WebMD's list of pairs to discuss with a provider, but the interactions are not fully understood. Drugs.com says trials of butcher's broom alone are generally lacking. Flow Nerves lists butcher's broom root extract and prints no amount.

Written by the Flow Nerves label deskUpdated · 4 min read

Three Flow Nerves bottles, a computer render by the brand
Brand render of Flow Nerves bottles. Butcher's broom root extract is one of the six named ingredients.

What is known

Is there a link between butcher's broom and blood pressure?

Consumer sources flag it, but no study we read measured it. WebMD lists a medicine for high blood pressure among those to discuss with a provider before taking butcher's broom (WebMD, Butcher's broom).

WebMD also says plainly that the interactions between butcher's broom and medicines are not fully understood (WebMD, Butcher's broom). Drugs.com says constituents of the plant have alpha-adrenergic stimulating properties, so interactions with such drugs are theoretically possible (Drugs.com, Butcher's broom).

Theoretical means predicted from chemistry, not seen in trials. Both points are worth a question to your pharmacist.

The evidence gap

How much research exists on butcher's broom?

Very little. Drugs.com says clinical trials using the plant alone are generally lacking, and that it cannot be recommended for any indication (Drugs.com, Butcher's broom).

WebMD calls its benefits not well defined (WebMD, Butcher's broom). The plant is traditionally used for blood flow problems such as hemorrhoids and varicose veins, and the better support is for combination products, not the plant alone (Drugs.com, Butcher's broom).

QuestionWhat the source says
Trials of the plant alone?Generally lacking (Drugs.com)
Dose for butcher's broom alone?No source we read gives one
Blood pressure medicine?Discuss with a provider (WebMD)
Pregnancy?Avoid use (Drugs.com); not known (WebMD)

On this label

What does Flow Nerves say about butcher's broom?

The brief names butcher's broom root extract as one of six ingredients, and no amount is printed. The seller's page says "Traditionally used to promote healthy circulation." We found no trial that backs that wording for this extract.

WebMD lists common side effects of diarrhea and nausea, and says allergic reactions can be serious (WebMD, Butcher's broom).

Call 911

Swelling of the lips, face or throat, hives or trouble breathing after any supplement is an emergency.

Flow Nerves: 2, 3 or 6 bottles30 capsules a bottle · 1 capsule a day · 60-day guarantee

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Before you buy

What should you bring to your pharmacist?

Bring your full medicine list and the label. Ask whether blood pressure medicine, prostate medicine or a decongestant such as pseudoephedrine matter here, since WebMD names all three (WebMD, Butcher's broom).

Keep taking prescribed medicine. Use the note below to list what to bring.

Where
When
How it feels
I will bring

Your note for the visit

A note-taking aid, not a test. CDC suggests keeping notes on symptoms to share with your doctor (CDC, Diabetes and nerve damage), and Mayo Clinic says to seek medical care right away for tingling, weakness or pain in your hands or feet (Mayo Clinic, Peripheral neuropathy).

Flow Nerves: 2, 3 or 6 bottles30 capsules a bottle · 1 capsule a day · 60-day guarantee

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FAQ

Flow Nerves questions people ask

Can butcher's broom raise or lower blood pressure?

We found no source that measured it. WebMD only says to discuss blood pressure medicine with a provider first (WebMD, Butcher's broom).

Is butcher's broom safe in pregnancy?

Drugs.com says to avoid it, and WebMD says it is not known whether it affects pregnancy (Drugs.com, Butcher's broom) (WebMD, Butcher's broom). Ask your clinician.

Does Flow Nerves have butcher's broom?

Yes, butcher's broom root extract is one of six named ingredients. No milligram amount is printed in the material we have.

Who should skip butcher's broom?

Ask a provider first if you have blood clots, high blood pressure, or kidney or liver problems, as WebMD advises (WebMD, Butcher's broom).

Who wrote this

Written and reviewed by

Written byThe Flow Nerves label deskIflownerves, U.S. Stocking Partner for Flow Nerves

Pages built from the label, the brand panels and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Eric Roberts, DPM, PodiatristRole: Medical reviewerReview date: November 3, 2026

Last updated . Read our editorial standards and how we check reviews. This website is the information site for a U.S. stocking partner for Flow Nerves. It is not the manufacturer or a distributor named on the label. We earn money when you buy through our order links.

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Six Flow Nerves capsule bottles with navy and teal labels

Flow Nerves capsules2, 3 or 6 bottles · 30 capsules a bottle · 60-day guarantee

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