Ingredient evidence
Butcher's broom: what studies tested and found
Butcher's broom studies tested leg-vein problems, not nerves. In one 12-week trial of 166 women with chronic venous insufficiency, an extract was linked to less leg volume and heaviness than placebo. The EMA calls the evidence insufficient. Flow Nerves lists the root extract with no amount, and no nerve trial exists in our sources.
Written by the Flow Nerves label deskUpdated · 5 min read
The trial
What have butcher's broom studies actually tested?
Butcher's broom studies tested chronic venous insufficiency, a leg-vein condition, and not nerves.
A 12-week placebo-controlled trial enrolled 166 women (148 analyzed) and gave one ruscus extract capsule product. The women had less leg volume and heaviness than placebo (Vanscheidt 2002, butcher's broom trial). The abstract does not give the extract dose.
| Source | What it covers |
|---|---|
| 12-week trial (Vanscheidt 2002, butcher's broom trial) | 166 women, leg volume and heaviness, one extract product |
| 2025 review (Gloviczki 2025, venoactive compounds review) | Venous disease; best-graded ruscus evidence is a combination with other compounds |
| EMA assessment (EMA, Butcher's broom (Rusci rhizoma)) | Traditional use in adults; “insufficient evidence from clinical trials” |
| Trial for nerve symptoms | We found none |
The sales word
Does butcher's broom root extract help “circulation”?
The word fits leg-vein studies better than nerves, and the support is limited.
The 2025 review says symptom evidence for these compounds “has shown some variability”, and its best-graded ruscus result is for a combination with hesperidin methyl chalcone and ascorbic acid (Gloviczki 2025, venoactive compounds review). The EMA allows traditional use for discomfort and heaviness of the legs related to minor problems of blood circulation, in adults only, and advises seeing a doctor if symptoms last more than 2 weeks or worsen (EMA, Butcher's broom (Rusci rhizoma)). Flow Nerves lists only the root extract.
Evidence meter
How does butcher's broom compare with the other five ingredients?
Its evidence is about veins, so it scores low for nerve symptoms in an editor's reading.
Flow Nerves capsule: 30 a bottle1 capsule a day per the seller's FAQ · 2, 3 or 6 bottles · 2 bottles at $79 each · other prices at checkout
See the priceCautions
What cautions apply to butcher's broom?
We found no source on butcher's broom interactions, so ask a pharmacist about blood pressure and prostate medicines.
The EMA page has no interaction text. Keep taking prescribed medicine, and never stop or change one because of a supplement. We hold no Supplement Facts panel and the amount is not printed. Sudden numbness or weakness on one side, trouble speaking, chest pain or trouble breathing: call 911. Lasting tingling needs a clinician to look for a cause.
Where Flow Nerves fits
Does a leg-vein trial apply to Flow Nerves?
No, because no trial tested Flow Nerves, and the vein trial used a different product.
See the butcher's broom page.
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See 6 bottlesDollar amounts for these two packs are shown at the live checkout; the seller's brief printed none (Flow Nerves sales site). Two bottles are also sold at $79 each. If you take blood thinners, diabetes medicine or thyroid hormone, ask a clinician or pharmacist before you order.
FAQ
Flow Nerves questions people ask
What is butcher's broom used for in studies?
Studies we read tested chronic venous insufficiency, meaning leg swelling and heaviness from veins. We found no trial for nerve symptoms, and no trial tested Flow Nerves.
Is there a butcher's broom dose?
The sources we read give no dose for the 12-week trial and none for a nerve trial. Flow Nerves prints no amount for the root extract, so nothing can be compared.
Does butcher's broom interact with medicines?
We found no source on interactions. Ask a pharmacist about blood pressure and prostate medicines, and tell them about every supplement. Never change a prescribed medicine on your own.
Who wrote this
Written and reviewed by
Pages built from the bottle render, the seller's brief and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a licensed U.S. retail desk for Flow Nerves. It is not the manufacturer, and we have not been given the name of the maker. We earn money when you buy through our order links.
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Check your medicines first, and ask a clinician or pharmacist if you take blood thinners, diabetes medicine or thyroid hormone. Then pick a pack: 2, 3 or 6 bottles of 30 capsules. The 2-bottle pack is listed at $79 a bottle; the other prices are shown at checkout. A 60-day satisfaction promise is listed, so confirm the live policy.
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