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Cramp Purchase & Information

Alternative Names

Boule de Neige, Bois à Quenouille, Cranberry Bush, Common Guelder-Rose, European Cranberry Bush, Guelder Rose, Guelder-Rose, High-Bush Cranberry, High Bush Cranberry, Obier, Rose de Gueldre, Snowball Bush. Viburno Opulus, Viorne Aubier, Viorne Trilobée, Viorne Aquatique, Viorne Obier CAUTION: Please refer to separate listings for Cranberry, Uva Ursi, Alpine Cranberry, Black Haw

Scientific Name

Viburnum Opulus

Why Do People Use Cramp?

Orally, cramp powder or cramp bark powder is used for following conditions. Cramps Viburnum opulus (cramp) is used for relieving cramps in general. It is also used for relieving cramps that occur during pregnancy, muscle spasms and menstrual cramps. Miscellaneous Uses Cramp bark powder is also used for the cure of other diseases, like: • In spasmodic and painful urinary conditions to act as a kidney stimulant • For the cure of cancer • As a sedative • In hysteria • As a purgative • In infections • As an emetic • In nervous disorders • As a diuretic • In scurvy • For the cure of uteritis

Is It Safe To Use?

There is lack of sufficient information to rate the effectiveness of viburnum opulus. More research is needed in this regard.

How Effective Is Cramp?

There is insufficient reliable information available about the effectiveness of cramp bark.

How Cramp Works?

TThe applicable parts of cramp are its root bark and the bark. Cramp bark powder contains at least two active major constituents: viopudial and scopoletin. These constituents of viburnum opulus have shown to have anti-spasmodic effects on smooth muscles in vitro (in laboratory). Viopudial causes the inhibition of acetylcholinesterase, which is responsible for cholinergic effect of cramp powder. The studies conducted on animal models have shown that use of viburnum opulus can cause decrease in contractility of heart muscles, decrease in the rate of heart contraction (bradycardia) and decrease in blood pressure (hypotension).

What Are The Side Effects /Adverse Reactions of Cramp?

Little is known about the adverse reactions of cramp bark powder. More research is needed in this area.

How Cramp Interacts With Other Herbs and Supplements?

There is no known interaction of viburnum opulus with other herbs and supplements. More studies should be conducted in this regard.

How Cramp Interacts With Drugs?

There is no known interaction of cramp bark powder with other prescription drugs.

How Cramp Interacts With Foods?

Not known.

How Cramp Interacts With Lab Tests?

Little is known about how viburnum opulus might interact with lab results. In fact there is no known interaction of cramp bark powder with any of the lab results.

How Cramp Interacts With Diseases and Conditions?

There is no known interaction of viburnum opulus with any other diseases or conditions except those which are mentioned above.

What Should Be the Dose/Administration of Cramp?

There is no typical dosage of cramp bark powder. However, do consult your doctor or health care provider before using any dose of viburnum opulus for any condition.


Cramp is a Native American plant mostly used for decorative purposes. Historically, the Indians of North America have used it for reducing the swelling of glands, for increasing kidney output (as a diuretic), for the cure of eye disorders and in infective conditions like mumps. They also used to smoke cramp bark as a substitute to tobacco. Don’t confuse it with black haw (Vibernum prunifolium), which is sometimes also mistaken as cramp bark.

General Certificate of Analysis (COA)

Specification sheet links below are a standard copy of the COA less the batch or lot number and manufactures dates. Specification sheet can be dated and should only be considered as a general information. Please contact and request an up to date COA if needed for specific updated information before placing order by filling out the contact form with product name and SKU number. If ordering quantities of twenty five kilos or more contact for availability.

Specification Sheets

Cramp Powder


These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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