Preliminary studies suggest that chasteberry might be helpful for symptoms of premenstrual syndrome and for breast pain related to the menstrual cycle, but the evidence is not conclusive.

Researchers have studied chasteberry for infertility in women, but there isn’t enough reliable evidence to know if it helps.

Side Effects Of Chasteberry

When used in limited amounts, chasteberry appears to be generally well-tolerated. Side effects are generally mild and may include nausea, headache, gastrointestinal disturbances, or itching.

Taking the herb during pregnancy or while breastfeeding may not be safe.

It may not be safe for women with hormone-sensitive conditions, such as breast, uterine, or ovarian cancer, to take this herb. It’s possible that it might interact with some medicines, such as birth control pills, drugs used to treat Parkinson’s disease, and drugs used to treat psychosis. If you’re taking medicine, talk with your health care provider before using chasteberry.


Take charge of your health—talk with your health care providers about any complementary health approaches you use. Together, you can make shared, well-informed decisions.


All information has been provided courtesy of MedLinePlus from the National Library of Medicine and from the FDA.