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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 GP or specialist before starting, stopping, or changing any intervention.
Regulatory status does not mean an intervention is safe or unsafe. Laws vary by country — check your local regulations.
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Research context compiled from published sources
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.
Moderate Research
Some human clinical trials exist, but the evidence base is still developing.
Limited
Only short-term data available. Long-term effects are not well understood.
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.
Other Supplement tracked on Narrated.
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