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Is Butcher's Broom Safe? Side Effects to Know

Quick answer

Butcher's broom side effects are not well mapped in the sources we cite. Stomach upset is the usual worry for herbs, but no firm list exists in the sources we cite. Europe limits the root to adults, and Synaptril's label bars anyone under 18, pregnant or nursing.

Written by the Synaptril label deskUpdated · 4 min read

Illustration card with the words Butcher's broom, line 3 of 6, root extract
Illustration made for this site from the label text; not a product photo.

What are the side effects of butcher's broom?

We cannot give a firm list of butcher's broom side effects, because the sources we cite do not give one. That is a fact worth stating plainly.

The European monograph accepts the root as a traditional herbal medicine for adults only, and says to see a doctor if symptoms last more than 2 weeks or worsen (EMA, Rusci rhizoma (butcher's broom)). Mild stomach upset is the common worry with any herbal extract.

Who is butcher's broom meant for?

Butcher's broom root is accepted in Europe only for adults, and only after a doctor has ruled out serious causes of the symptoms (EMA, Rusci rhizoma (butcher's broom)). The listed uses are heavy legs and hemorrhoid itching.

The practical step is simple: if you take any medicine, ask your pharmacist before adding an herb extract.

Butcher's broom safety, in one view
QuestionWhat we can say
Adults only?Yes, in the European monograph
Brain or memory use?None listed
Firm list of side effects?Not in the sources we cite
Illustration card about safety on the Synaptril site
Illustration made for this site; it shows no real data.

How much butcher's broom is in Synaptril?

At most about 88 mg a capsule, by our blend math, and the label prints no amount. The leg-vein product in trials used 150 mg of root extract (Boyle et al., Int Angiol 2003).

A small share may mean small effects, good or bad. It is a ceiling, not a measurement.

Tap a number to read that part of the panel.

  1. Serving

    Serving size 1 capsule; 30 servings per container.

  2. Magnesium 80 mg

    As magnesium glycinate from the proprietary blend: 19% of the Daily Value.

  3. 19% DV

    The Daily Value for magnesium is 420 mg, so 80 mg is 19%.

  4. Proprietary blend, 575 mg

    Six ingredients share 575 mg, listed most to least by weight.

  5. The six lines

    Magnesium glycinate, alpha lipoic acid, butcher's broom root, L-carnitine, turmeric (95% curcuminoids), CoQ10.

  6. Other ingredients

    The capsule shell and flow agents. No sweetener, caffeine or color is listed.

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What should you do if you notice a symptom?

Stop the product and tell a clinician if a new symptom appears after you start a capsule that contains butcher's broom. A herb with a thin safety record deserves a cautious reading.

Who should ask a doctor first?

Anyone on regular medicine, anyone under 18 and anyone pregnant or nursing should ask first. The label says as much. Keep taking prescribed medicine.

Read the butcher's broom profile, the Synaptril side effects page and supplements and medicines. Related: what is butcher's broom.

FAQ01

Synaptril questions people ask

Can butcher's broom interact with medicines?

The sources we cite name no specific interaction, which is not the same as none. The Synaptril label says to consult a physician if you take a medication. A pharmacist can check your list against the herb.

Is butcher's broom safe to take daily?

Our sources do not give a long-term safety limit. The Synaptril label says one capsule daily and not to exceed it. Ask your clinician if you plan to use it for months.

Is butcher's broom safe in pregnancy?

The Synaptril label says not for pregnant or nursing mothers, and the European monograph limits the root to adults. Skip it in pregnancy unless your obstetrician says otherwise.

Who wrote this02

Written and reviewed by

Written byThe Synaptril label deskThesynaptril, U.S. retail partner of Synaptril

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

Medically reviewed byDr. Neelum Aggarwal, MD, PhysicianRole: Medical reviewerReview date: October 19, 2026

Last updated . Learn about our editorial standards and how we check reviews. This website is run by a U.S. retail partner of Synaptril, not by the manufacturer or the distributor. We make money when you buy through our order links.

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