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Although chasteberry is a type of plant, it may have several medicinal properties. For instance, it is claimed to be useful for infertility, menstrual irregularities, and low breast milk supply. While there is some research indicating that it may be effective for treating PMS and PMDD, more research is needed to determine the supplement's effectiveness for other uses. Possible side effects may include diarrhea, headaches, and nausea.

What Is Chasteberry?

Chasteberry (vitex) is a perennial plant that is said to have beneficial medicinal properties. It is used for various conditions, such as infertility, menstrual irregularities, and low breast milk supply. Chasteberry got its name because it was traditionally used by celibate monks to reduce sexual desire.
(Click Chasteberry Benefits for more information about possible uses for this supplement.)

Side Effects of Chasteberry

Even though it is a "natural" product, chasteberry can cause side effects. Some of the reported side effects include:
(Click Chasteberry Side Effects to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)


When used appropriately, chasteberry is probably safe for many people. However, some people may be more likely to experience problems. Therefore, you should talk with your healthcare provider prior to taking this supplement if you have:
  • Hormone-sensitive conditions, such as:


    • Cancer
    • Uterine fibroids
    • Endometriosis


  • Infertility
  • Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
Make sure to tell your healthcare provider about any other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Chasteberry Safety for more information, including any available warnings and precautions.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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