SP
StackPedia
All Supplements

Vitex (Chasteberry)

herbs

Vitex agnus-castus, commonly known as chasteberry, is a traditional herbal remedy primarily used to support hormonal balance in women, particularly for premenstrual syndrome and menstrual irregularities. The herb works by influencing dopamine and luteinising hormone levels, making it relevant for reproductive health and cyclical symptoms.

Ready to try Vitex (Chasteberry)?

Shop top-rated Vitex (Chasteberry) supplements on Amazon UK

Affiliate link — we may earn a small commission at no extra cost to you.

Benefits

Reduces premenstrual syndrome (PMS) symptoms including bloating and mood changes
Supports regular menstrual cycles and hormonal balance
May alleviate breast tenderness and cyclical mastalgia
Potentially improves fertility outcomes in women with luteal phase defects
Helps regulate progesterone levels in the luteal phase

Dosage

Typical Dose

400-500 mg daily of standardised extract (0.6% agnuside)

Upper Limit

1000 mg daily

Timing

Morning with food; consistent daily use recommended for 2-3 menstrual cycles before assessing effectiveness

Forms & Bioavailability

Standardised dry extract

85%

Liquid tincture

78%

Capsule (standardised)

82%

Side Effects

Mild gastrointestinal upset, nausea, or headache in some users
May cause skin rash or urticaria in sensitive individuals
Rare cases of dizziness or fatigue reported

Interactions

May interact with dopamine antagonists and antipsychotic medications
Potentially reduces efficacy of hormonal contraceptives; concurrent use requires medical supervision
May interact with hormone replacement therapy

Research Summary

Clinical trials demonstrate modest efficacy for PMS symptom relief, with meta-analyses showing 50-60% of users experience meaningful improvement. Evidence is strongest for emotional and physical PMS symptoms rather than pain-related symptoms. More rigorous, long-term studies are needed to establish optimal dosing protocols and mechanisms of action in different populations.

The Bottom Line on Vitex (Chasteberry)

Vitex (Chasteberry) is moderately researched with promising but sometimes mixed evidence.It is most commonly used for reduces premenstrual syndrome (pms) symptoms including bloating and mood changes and supports regular menstrual cycles and hormonal balance. 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 (Chasteberry) 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 (Chasteberry)

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.

Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.

Popular Supplements on Amazon

As an Amazon Associate we may earn from qualifying purchases.