Cramp Bark is one of the best female regulators in the herb world. It is a uterine sedative, aiding in menstrual cramps, afterbirth, and postpartum pains. It helps to prevent miscarriage, as well as internal hemorrhaging. It is often used to treat muscle cramping and spasms, as well as heart palpitations. Use no more than two cups per day for three consecutive days, or it may cause nausea or skin rash.
Cramp Bark comes from the Highbush Cranberry, and can reach 13 feet in height. It prefers moist soils and full sun. It is native to Europe and Africa, but has been introduced to North America, and grows in a wide range of zones. It is a very pretty shrub, blooming with puffs of white flowers. The ripe red berries are rich in vitamin C, but are poisonous if uncooked.