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

Cramp Bark Ingredients & Drug Interactions

by Herbal Terra

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

Cramp Bark is a dietary supplement by Herbal Terra with 1 active ingredient. Its ingredients are commonly taken for menstrual cramps, muscle spasms, general cramping pain.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 Cramp Bark by Herbal Terra

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 is a single-ingredient liquid: Cramp Bark Extract, Dry. The liquid also contains alcohol, water, and glycerin as inactive ingredients to deliver and preserve the extract.

Does it work?

Insufficient evidence
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
Insufficient

There isn't enough reliable clinical evidence to rate this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Muscle cramps and menstrual discomfort relief.
  • We looked for evidence on: Dysmenorrhea, Muscle cramps, Pregnancy-related leg cramps, Menstrual pain, Muscle spasms.
  • The closest evidence on file: Cramp Bark is rated "Insufficient Reliable Evidence To Rate" for Muscle cramps (Natural Medicines).
  • Also on file: Cramp Bark is rated "Insufficient Reliable Evidence To Rate" for Dysmenorrhea, Pregnancy-related leg cramps.

The evidence for Cramp Bark isn't established in the data we hold. It's used traditionally for muscle cramps, dysmenorrhea (menstrual cramps), pregnancy-related leg cramps, kidney stones, and diabetes — but the research backing those uses is rated insufficient to be reliable.

If you're considering it for any of those reasons, talk to your pharmacist or doctor about what the evidence actually supports and what alternatives might have stronger data behind them.

The evidence, ingredient by ingredient Cramp Bark

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.

Cramp Bark is generally well tolerated in traditional use, but human safety data are limited. The safety information advises against use during pregnancy and while breastfeeding — there isn't enough data to know if it's safe for either.

If you're pregnant, planning to become pregnant, or breastfeeding, talk with your pharmacist or doctor before taking this product. The liquid form contains alcohol, which is worth noting if you avoid alcohol for any reason.

Side effects, ingredient by ingredient Cramp Bark

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 ingredients we could check. You're welcome to verify your specific medications with the search tool on this page.

The bottom line

Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. No medication interactions are currently documented, and some safety-information gaps remain.

Cramp Bark is a traditional herbal remedy with no documented drug interactions. However, human safety and effectiveness data are sparse.

If you're interested in it for muscle cramps or another condition, have a conversation with your pharmacist about whether the traditional use aligns with what you're hoping to treat — and definitely avoid it if you're pregnant or breastfeeding.

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 Dec 21, 2024.

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 Cramp Bark, straight from the product label.

Brand Herbal Terra
Barcode (UPC) 7386005009952
Net contents 2 Fluid Ounce(s); 60 mL
Market status On market
Date entered into DSLD Dec 21, 2024
DSLD ID 324965
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Sugar Free
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 Cramp Bark by Herbal Terra, 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:
1 mL
Maximum serving Sizes:
1 mL
Servings per container
60
UPC/BARCODE
7386005009952
IngredientAmount% DV
Cramp Bark Extract, Dry983 mg--

Other ingredients: Alcohol, Water, Glycerin

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.
Suggested/Recommended/Usage/Directions

Shake well before use. Adults take up to 30 drops (1 mL, one full squeeze of the dropper bulb) in 3-4 fl. oz. of juice or water up to 4 times a day.

Precautions

We recommend to seek expert medical advice before taking. May have contraindications and cause adverse reaction.

Consult a physician before giving to children under 18, before using during pregnancy, if nursing, or if you are on any medications.

Consult a physician before giving to children under 18, before using during pregnancy, if nursing, or if you are on any medications. Keep out of the reach of children!

Do not use if you are allergic to any ingredients.

Storage

Store in a cool, dry, dark place.

FDA Disclaimer Statement

This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.

Formulation

cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.

Sugar free

Expertly extracted 100% natural Premium product

Organic alcohol

No artificial ingredients, color additives, fillers or binders.

Natural Gluten free

Formula

Viburnum opulus

Organic alcohol

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Made in USA

General Statements

Organic raw material.

See for yourself

Cramp Bark by Herbal Terra label

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

What’s inside

The Ingredients in Cramp Bark by Herbal Terra

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

Serving size1 mL Dosage formLiquid Servings per container60 Amounts shown are per serving.

Cramp Bark Extract, Dry

No known
interactions
983 mg per serving Form: Viburnum opulus Bark Extract, Dry

Cramp Bark is the dried bark of Viburnum opulus, traditionally used to ease muscle and menstrual cramps. Modern, high-quality human studies are very l...

Cramp Bark Extract, Dry monograph & interactions

Other (inactive) ingredients: Alcohol, Water, Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Cramp Bark by Herbal Terra Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Cramp Bark. 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 Cramp Bark, from the product label.

Herbal Terra

See all Herbal Terra products
Name
Herbal Terra LLC
Phone Number
+18083857868
Web Address
herbalterra.com
Pharmacist Counseling Corner

Cramp Bark by Herbal Terra: Common Questions

Does Cramp Bark by Herbal Terra interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Cramp Bark. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Cramp Bark 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 this while pregnant?
The safety data advises against Cramp Bark during pregnancy. Talk with your pharmacist or doctor before taking it if you're pregnant or planning to become pregnant.
Is it safe to use while breastfeeding?
There isn't enough safety information for breastfeeding. Discuss this with your pharmacist or doctor if you're nursing.
Does Cramp Bark actually work for muscle cramps?
It's used traditionally for muscle cramps, but the evidence is rated insufficient to be reliable. The research just isn't there yet to say how well it works.
What is Cramp Bark used for traditionally?
Traditionally it's been used for muscle cramps, menstrual cramps, pregnancy-related leg cramps, kidney stones, and diabetes — though the evidence for any of those is limited.
Does this product contain alcohol?
Yes, the liquid form includes alcohol as one of its inactive ingredients. If you avoid alcohol, this may not be the right product for you.

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

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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.

Cramp Bark label
Go deeper

The Full Monographs Behind Cramp Bark’s Ingredients

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

Sources

Sources & How We Checked

Cramp Bark'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.

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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