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A natural botanical remedy called cramp bark extract is made from the Viburnum opulus plant, also referred to as the highbush cranberry or European cranberry bush. Native to Europe and North Asia, this plant has long been used traditionally for its possible health benefits. The extract is traditionally used to treat a variety of health issues, especially those pertaining to uterine discomfort, muscle cramps, and spasms. It is usually derived from the bark of the Viburnum opulus plant. It is a common option in herbal and alternative medicine because of its capacity to ease disorders related to cramping and tension in the muscles by relaxing smooth muscle tissues.

a tree with cranberry like fruit is utilised to make cramp bark extract

Especially well-known for its application in treating menstrual cramps and discomfort during pregnancy is cramp bark extract. It is thought to function by lessening the frequency and force of muscular contractions, which relieves cramps and spasms. Cramping bark may also be beneficial for various discomforts and muscle-related problems. It is accessible to people looking for natural remedies to treat muscle cramps and related ailments because it comes in a variety of forms, such as tinctures, capsules, and teas.


Here are some of the potential benefits of cramp bark extract:

  • Relieves menstrual cramps and muscle cramps:  As its name implies, cramp bark has a long history of being used to treat muscle cramps, especially those related to menstruation. These pains, which some people find to be excruciatingly unpleasant, are frequently connected to the menstrual cycle. Although this extract has been used traditionally for generations to treat cramps and spasms, researchers have been curious about its effectiveness. Certain fruit extracts from cramp bark have been linked in some studies to substances that relax muscles and dilate blood vessels. This impact has the ability to lower blood pressure and relieve pain, making it a natural treatment for cramping discomfort. One study looked at how well a herbal supplement including, among other things, this extract reduced premenstrual syndrome symptoms (PMS). While this study demonstrated some promising results, more research is needed to understand whether cramp bark itself is useful for this purpose.
  • Boosts kidney health: Cramp bark has a lot of citrate, which can help prevent kidney stones from forming. Kidney stones are frequently caused by a shortage of citrate in the urine. The citrate content of cramp bark makes it a potentially effective alternative for people who are prone to kidney stones. A study of 103 people with minor kidney stones discovered that those who took this extract in conjunction to the medicine diclofenac eliminated more kidney stones in a shorter amount of time than those who took diclofenac alone. In addition, the cramp bark group needed fewer further treatments for stone removal and less pain medication. Although these results are encouraging, more research is needed to validate the effects of this extract on renal stones.
    benefits of cramp bark extract: enhances renal health
  • May have anti-inflammatory properties: Although comprehensive scientific research in this area is limited, it is believed that cramp bark has anti-inflammatory qualities. Nonetheless, it has a long history as a natural anti-inflammatory therapy in traditional medicine. Its capacity to reduce inflammation may contribute to its ability to relieve numerous types of pain, including cramps and muscle spasms. Cramping bark’s anti-inflammatory properties make it a versatile botanical extract that people have used to treat a variety of inflammatory disorders, however concrete scientific data supporting these claims is only emerging.

While this extract shows promise in several areas, more well-designed research are needed to verify its efficacy and safety for specific health conditions. Individuals thinking about using this extract for health reasons should consult a healthcare expert to discover the most appropriate and evidence-based treatment alternatives.


When consumed, this extract can have a variety of impacts on the human body, the most notable of which being its ability to relax smooth muscle tissues and blood vessels. This muscle-relaxing action is critical to its involvement in relieving cramps and spasms. When this is consumed, active compounds such as viopudial and isoviburtin are absorbed in the gastrointestinal system and then reach the bloodstream. These molecules then travel throughout the body, eventually reaching the smooth muscles that are causing pain and discomfort. Cramp bark appears to reduce excessive muscle spasms, making it a beneficial natural therapy for muscular stress issues.

Cramp bark’s ability to relieve muscle tension and spasms may be due to its interaction with neurotransmitters and signalling pathways in the body. It is considered to affect the release of neurotransmitters that control muscular contractions, resulting in muscle relaxation. It may also help widen blood vessels, increasing blood flow to affected areas and lowering muscle soreness and cramping. Cramping bark extract may provide relief from a variety of cramps, including menstrual cramps, muscle cramps, and even gastrointestinal cramps, by exerting these effects. While the method of action appears promising, more research is required to completely understand the particular biochemical pathways and receptors through which cramp bark exerts its effects on muscular relaxation and cramp relief.


The optimum dosage of cramp bark extract varies depending on an individual’s age, overall health, and the specific health condition being addressed. Unfortunately, there is no globally accepted standard for cramp bark supplement dosage, and research findings on the most effective dose can be inconsistent. Cramping bark research has employed a wide range of dosages, making it difficult to define an exact suggested daily consumption. For example, several studies have used doses ranging from 400 mg to 1,200 milligrams daily to treat problems such as muscular cramps and menstrual pain alleviation. However, it is critical to follow the dosage recommended on the product label or as directed by a healthcare specialist, as individual responses to cramping might vary.

It is critical to begin with the lowest prescribed dose and gradually raise it if necessary, under the supervision of a healthcare practitioner. Higher doses of cramp bark may be necessary for certain medical disorders, however exceeding the suggested dosage without competent supervision can result in negative effects. Furthermore, while cramp bark extract is considered a natural medicine, its usage should be reviewed with a healthcare provider, especially if you are pregnant, nursing, or using other medications, to avoid any interactions and for your safety. As a result, while there is hopeful evidence that cramp bark has benefits, determining the correct dosage requires careful consideration of individual variables and should be directed by professional consultation.


Cramp Bark Extract is also available as:     

  • Cramp Bark Extract 4:1 (Viburnum opulus l.)

Cramp Bark Extract is commonly available in:

  • Cramp Bark Extract capsules
  • Cramp Bark powder extract
  • Cramp Bark liquid extract

Glentworth Formulations is here to suit your every need. Everything from Tablets, Capsules and Powder blends.

If you are wanting to know more information, please get in contact with us. Either using the contact form or contacting us directly on:

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