Vitex Agnus Castus
herbs
Vitex Agnus Castus, commonly known as Chasteberry, is a traditional herbal remedy derived from the fruit of the Vitex plant, primarily used to support hormonal balance in women. It has been traditionally employed for menstrual irregularities, premenstrual syndrome (PMS), and menopausal symptoms, with its mechanism thought to involve dopaminergic and progesterone-modulating effects.
Ready to try Vitex Agnus Castus?
Shop top-rated Vitex Agnus Castus supplements on Amazon UK
Affiliate link — we may earn a small commission at no extra cost to you.
Benefits
Dosage
Typical Dose
400–1000 mg daily
Upper Limit
1200 mg daily
Timing
Morning with food; consistent daily use recommended for 2–3 months for full effects
Forms & Bioavailability
Dried fruit/powder
Moderate; traditional form with variable potency depending on harvest and processing
Standardised extract
High; concentrated extracts offer consistent iridoid and flavonoid content for predictable effects
Capsule/tablet
Moderate to high; convenient dosing with standardised extracts providing reliable delivery
Tincture
Moderate; alcohol extraction may enhance certain constituents, though effects are not substantially superior
Side Effects
Interactions
Research Summary
Clinical evidence supports Vitex's efficacy for PMS and menstrual irregularities, with several randomised controlled trials demonstrating symptom reduction, particularly for luteal-phase symptoms. However, research quality is mixed and further rigorous studies are needed to fully elucidate mechanisms and optimal dosing protocols. Long-term safety data in humans remains limited, though traditional use spans centuries with generally favourable tolerability profiles.
Compare Vitex Agnus Castus with...
The Bottom Line on Vitex Agnus Castus
Vitex Agnus Castus is moderately researched with promising but sometimes mixed evidence.It is most commonly used for may reduce pms symptoms including breast tenderness and mood changes and may support regular menstrual cycles. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
Top Rated Vitex Agnus Castus on Amazon UK
We recommend choosing products with 4+ star ratings and verified reviews. Look for third-party tested brands.
Affiliate links — we earn a small commission at no extra cost to you.
Where to Buy Vitex Agnus Castus
We recommend buying from reputable retailers. Check reviews and third-party testing.
Affiliate links — we may earn a commission at no extra cost to you.
Goal Guides for Vitex Agnus Castus
See how Vitex Agnus Castus can help with specific health goals: