Cramp Bark Extract

Viburnum opulus (extract)

Family: Adoxaceae Evidence: T tincturecapsule

Extract of cramp bark — a muscle antispasmodic used for menstrual cramps, muscle tension, and leg cramps. Works on smooth and skeletal muscle.

Safety Profile

PregnancyPossibly Unsafe
BreastfeedingInsufficient Data
PediatricInsufficient Data

Contraindications

Aspirin allergy (contains salicin). Kidney stones.

Interactions

May interact with blood thinners and BP medications.

Side Effects

GI upset. Generally well tolerated.

Allergy: Aspirin sensitivity.
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.