Herbs
Chasteberry
Also called: vitex, vitex agnus-castus
Fruit of the chaste tree.
- Why people take it
- PMS, breast pain.
- What the evidence says
- Some evidence for PMS symptoms.
- How it is usually taken
- Usually 20 to 40 mg of extract a day for PMS.
- Be careful
- Avoid in pregnancy and with hormone treatments.
- Medicines it can interact with
- May affect the contraceptive pill, hormone treatments and dopamine-acting medicines.
Other herbs
Common questions
What is Chasteberry?
Fruit of the chaste tree.
Why do people take Chasteberry?
PMS, breast pain.
Does Chasteberry work?
Some evidence for PMS symptoms.
How much Chasteberry do people take?
Usually 20 to 40 mg of extract a day for PMS.
Is Chasteberry safe?
Avoid in pregnancy and with hormone treatments.
Does Chasteberry interact with medicines?
May affect the contraceptive pill, hormone treatments and dopamine-acting medicines.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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