No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Black Haw Bark Powder Ingredients & Drug Interactions

by TerraVita Premium Collection

Powder Category: Botanical
No known interaction
The interaction bottom line No known interaction

Black Haw Bark Powder is a dietary supplement by TerraVita Premium Collection with 1 active ingredient. Its ingredients are commonly taken for menstrual cramps, uterine spasms, threatened miscarriage (traditional).We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of Black Haw Bark Powder by TerraVita Premium Collection

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: Black Haw, in powder form. Black Haw is a plant traditionally used in herbal medicine, though how well it actually works for the conditions it's been used for isn't well established in reliable human studies.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Black Haw's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: menstrual and uterine support.
  • We looked for evidence on: Dysmenorrhea, menstrual cramps, uterine spasms, menopause symptoms.
  • The closest evidence on file: Black Haw is rated "Insufficient Reliable Evidence To Rate" for Dysmenorrhea (Natural Medicines).

The evidence for Black Haw Bark Powder isn't solid yet. We hold insufficient reliable evidence to rate whether it works for asthma, diarrhea, miscarriage prevention, or period pain (dysmenorrhea).

That doesn't mean it doesn't work — it means the human studies aren't there to prove it does.

The evidence, ingredient by ingredient Black Haw

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Here's what you need to know: Black Haw is used in traditional medicine, but human safety data are limited. More important, its effects on the uterus are uncertain, so the safety data advises against using it unless a doctor has given you the OK.

If you're nursing, there isn't enough safety information, so the data advises against it. Pregnancy safety is rated possibly unsafe.

No adverse effects are documented in the data we hold, but that's because research on this ingredient in humans is sparse.

Side effects, ingredient by ingredient Black Haw

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredient we could check. Even so, if you're on any medications, run them through the checker below or ask us — we want to be thorough.

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. No medication interactions are currently documented, and some safety-information gaps remain.

If you're interested in Black Haw for a traditional use, talk with your doctor or pharmacist first — especially if you're pregnant, planning to become pregnant, or nursing. The evidence for how well it works isn't established, and uterine safety is a real concern that needs professional guidance.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jul 18, 2023.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Black Haw Bark Powder, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435187729
Net contents 4 Ounce(s)
Market status On market
Date entered into DSLD Jul 18, 2023
DSLD ID 289698
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Black Haw Bark Powder by TerraVita Premium Collection, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.25 Teaspoon(s)
Maximum serving Sizes:
0.25 Teaspoon(s)
Servings per container
113
UPC/BARCODE
064435187729
IngredientAmount% DV
Black Haw, Powder1000 mg--

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
FDA Statement of Identity

A Dietary Supplement

Brand IP Statement(s)

Copyright 2007 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Suggested/Recommended/Usage/Directions

Directions Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily, with meals.

General Statements

TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.

Please recycle!

FDA Disclaimer Statement

Statements not evaluated by FDA. Product not intended to diagnose, treat, cure, or prevent any disease.

See for yourself

Black Haw Bark Powder by TerraVita Premium Collection label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Black Haw Bark Powder by TerraVita Premium Collection

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container113 Amounts shown are per serving.

Black Haw, Powder

No known
interactions
1000 mg per serving

Black Haw is a traditional herbal bark long used to ease menstrual cramps and uterine spasms, but modern human studies are very limited. It contains c...

Black Haw, Powder monograph & interactions
Interaction report

Black Haw Bark Powder by TerraVita Premium Collection Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Black Haw Bark Powder. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Black Haw Bark Powder, from the product label.

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

Black Haw Bark Powder by TerraVita Premium Collection: Common Questions

Does Black Haw Bark Powder by TerraVita Premium Collection interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Black Haw Bark Powder. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Black Haw Bark Powder contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take Black Haw Bark Powder if I'm pregnant?
The safety data rates it possibly unsafe in pregnancy because its effects on the uterus are uncertain. You should not use it unless a doctor advises otherwise. Talk with your OB or primary care doctor before starting.
Is it safe to use while breastfeeding?
There isn't enough safety information for nursing mothers, so the data advises against it. If you're nursing and interested in this product, check with your doctor or pharmacist for personalized advice.
Does Black Haw actually work for period pain or irregular periods?
We hold insufficient reliable evidence to rate whether it works for period pain (dysmenorrhea). Traditional medicine has used it for that purpose, but human studies strong enough to prove it aren't in our data.
What are the side effects?
No adverse effects are documented in the data we hold. That said, safety research on Black Haw in humans is limited, so uncommon side effects might not have been spotted yet.
Why is the safety data so cautious about this ingredient?
Black Haw has traditional uses tied to the uterus and pregnancy, but we don't have solid human data on how it actually affects the uterus or whether it's truly safe in those situations. That uncertainty is why the data advises caution.

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

Not sure if Black Haw Bark Powder is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Black Haw Bark Powder label
Go deeper

The Full Monographs Behind Black Haw Bark Powder’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

Black Haw Bark Powder's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

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

The 1 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Black Haw 1 reference
  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.

See these in context on the Black Haw monograph →

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

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