Cramp bark is one of herbalism's most reliable anti-spasmodics, directly relaxing smooth muscle tissue throughout the body. It is most frequently used for uterine cramping during menstruation, but also for intestinal spasms, leg cramps, lower back tension, and threatened miscarriage under professional guidance. Its bark contains scopoletin and viburnin, which relax smooth muscle without sedating the nervous system.
bark
tincture, decoction, capsule
20–40 drops tincture up to 4× daily for acute spasm; or decoct 2 tsp bark 20 min, 1 cup up to 3× daily
Generally safe at standard doses. Avoid high doses in early pregnancy without professional guidance. Not for children under 12 without supervision.
Explore the full cross-tradition profile, AI botanical notes, and related blends:
Open Cramp Bark in the app →