vitexagnus castus (Chaste Tree, Chaste Berry, Vitex, Monk's Pepper) (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

The maximum daily dose is 1800 mg per day.

DRUG INTERACTIONS: Chaste tree berry should be avoided in women taking birth control or any other hormonal medications because chaste tree also affects hormone levels.

Chaste tree should be used with caution in certain antipsychotic or anti-Parkinson's medications because chaste tree may affect dopamine levels in brain, reducing the effect of antipsychotic or anti-Parkinson's medications.

PREGNANCY: Chaste tree is known to affect estrogen and progesterone levels, which may not be safe for pregnant women. Therefore, it is not recommended to use chaste tree products in pregnant women.

NURSING MOTHERS: It is not known whether Chaste tree enters breast milk; however, it is best not to use chaste tree in nursing mothers.

SIDE EFFECTS: Side effects of Chaste tree are acne, dizziness, fatigue, stomach upset, headache, agitation, and menstrual changes.

REFERENCE: Stacie E. Geller, et al. Botanical and Dietary Supplements for Menopausal Symptoms: What Works, What Doesn't. J Womens Health (Larchmt). Sep 2005; 14(7): 634–649.


Medically Reviewed by a Doctor on 6/24/2014


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