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BETA

Vitex (Chasteberry)

Vitex agnus-castus, commonly known as chasteberry, is used to alleviate symptoms of premenstrual syndrome (PMS), regulate menstrual cycles, and manage mild hyperprolactinaemia, primarily in women.

womens healthhormone balancepmsfertility

Evidence last reviewed: 20 Apr 2026

Evidence
4 records
4 recordsBest grade:High

Moderate to high-quality evidence supports Vitex's effectiveness for PMS symptom reduction and menstrual cycle regulation. While it has been traditionally used for hyperprolactinaemia, more research is needed to fully establish its efficacy in this area.

PMS symptom reduction
Women with PMS · Meta-analysis
High

Vitex agnus-castus was found to be effective in reducing PMS symptoms compared to placebo.

Dose: 400 mg
Menstrual cycle regulation
Women with menstrual irregularities · Systematic review
Moderate

Vitex agnus-castus is used for regulating menstrual cycles and has been approved by the German Commission E for this purpose.

Dose: 400 mg
Hyperprolactinaemia management
Women with mild hyperprolactinaemia · Systematic review
Moderate

Vitex agnus-castus has been traditionally used to manage mild hyperprolactinaemia.

Dose: 400 mg
PMS symptom reduction
Women with PMS · Meta-analysis
High

Meta-analysis indicates that Vitex agnus-castus is effective in reducing PMS symptoms.

Dose: 400 mg
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Forms & usage
How to take it

Take 400-800 mg of Vitex extract daily, preferably in the morning.

Capsule
Commonly used for standardized dosing.
Liquid extract
Allows for flexible dosing.
Tablet
Convenient for daily use.
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