HerbMate Library

Cramp Bark

Viburnum opulus (bark)

Herbcrampsmusclemenstrualspasms

Cramp bark is traditionally used as an antispasmodic herb—meaning it’s used for cramps and tight, spasming muscles, especially menstrual cramping.

Key Benefits

Traditionally used for menstrual cramping support
May help relax occasional muscle spasms
Often used in blends for tension + cramp comfort

Common Issues It May Help With

menstrual cramps
muscle spasms
tension-related cramping

How To Use (Simple)

Tea/decoction: simmer 1 tsp dried bark per cup for 10–15 min; steep 10 min; use as needed
Tincture: common for faster use; follow label directions
Blend idea: cramp bark + ginger + chamomile (comfort blend)

Taste / Notes

Bitter/astringent and woody.

Evidence Level

Traditional use; limited modern human evidence. Widely used in Western herbalism as an antispasmodic.

Cautions

Avoid during pregnancy unless advised by a clinician. If cramping is severe, unusual, or accompanied by heavy bleeding, seek medical evaluation.

Interactions

Use caution with sedatives or alcohol (may add relaxation/drowsiness in some people). If you take blood pressure meds, monitor—some people feel lightheaded with strong antispasmodic herbs.

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