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herbal

Vitex

Also known as: Agnus castus, Chaste tree berry, Chasteberry, Vitex agnus-castus

An herbal extract from the chaste tree berry. One of the most studied herbal remedies for PMS, cyclical breast pain, and irregular menstruation. Has dopaminergic activity and is thought to lower prolactin levels. Not recommended for use during HRT or pregnancy.

This page contains self-reported experiences from the Narrated community — not clinical data. Outcomes are subjective. Always consult your doctor or specialist before starting, stopping, or changing any approach.

Regulatory status does not mean an approach is safe or unsafe. Laws vary by country — check your local regulations.

Community Experiences

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Research Context

Research context compiled from published sources

How does Vitex work?

Binds to dopamine D2 receptors in the pituitary gland, suppressing prolactin secretion. Reduced prolactin levels allow normalisation of the luteinising hormone (LH) pulse and improvement of the corpus luteum, supporting progesterone production in the second half of the cycle. May also have mild opioid receptor activity.

Research Depth

Unknown

Long-Term Evidence

Limited

Only short-term data available. Long-term effects are not well understood.

Known Interactions
Dopamine antagonists (antipsychotics, metoclopramide — antagonistic)HRT (avoid combining)Oral contraceptives (potential interaction)
Reported Contraindicated Populations
Pregnancy (may stimulate uterine contractions)BreastfeedingDopamine-sensitive conditionsWomen taking antipsychotic medication
Published Dose Ranges
2040 mg dry extract/dayoral · once daily in the morning
Clinical trials

Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.

Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.

Related Approaches

Other approaches tracked on Narrated.

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