Last verified: 58 days ago
Vitex (Chaste Tree Berry)
Also known as: Vitex agnus-castus, Chaste tree, Chasteberry, Monk's pepper, Abraham's balm
Evidence under review. — Not yet rated
Herbal berry used for PMS and cycle support. Some traditional evidence, but clinical proof is limited.
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What it does
Vitex agnus-castus is a berry from the chaste tree, used for centuries in traditional European medicine to support female hormonal balance. It is thought to act on dopamine receptors in the...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
20-40 mg standardized extract daily (traditional use range; no confirmed clinical dose from provided studies)
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Found in
What the Science Says
Vitex agnus-castus is a berry from the chaste tree, used for centuries in traditional European medicine to support female hormonal balance. It is thought to act on dopamine receptors in the pituitary gland, which may reduce prolactin levels and help regulate the menstrual cycle. Women most commonly use it for PMS symptoms like breast tenderness, mood changes, and irregular periods, though the strength of clinical evidence supporting these uses is limited and no study abstracts were available to confirm specific effects.
What It Doesn't Do
Not a proven fertility treatment. Won't balance hormones overnight — traditional use suggests weeks to months of consistent use. No solid evidence it treats menopause symptoms on its own. Not a replacement for medical evaluation of hormonal disorders. Don't expect it to work like prescription hormone therapy.
Evidence-Based Benefits
Traditionally used to reduce PMS symptoms like breast tenderness, bloating, and mood swings.
Weak EvidenceEffective at: 20-40 mg standardized extract daily
May help regulate irregular menstrual cycles through effects on pituitary hormone signaling.
Weak EvidenceEffective at: 20-40 mg standardized extract daily
Thought to mildly lower elevated prolactin levels by acting on dopamine receptors in the brain.
Weak EvidenceEffective at: No established dose from provided studies
Absorption & Bioavailability
Unknown — no pharmacokinetic data available from provided studies. Standardized extracts (e.g., BNO 1095 or Ze 440) are commonly used in research settings to improve consistency.
Red Flags to Watch For
- May interact with hormonal contraceptives, dopamine-related medications, and hormone-sensitive conditions — consult a doctor before use
- Not recommended during pregnancy or breastfeeding due to potential hormonal activity
- Products vary widely in standardization; many supplements may not contain effective amounts of active compounds
- No study abstracts were provided — all claims here are based on general knowledge, not verified clinical data from this analysis
- Some users report side effects including headache, nausea, acne, and menstrual changes, especially at higher doses
Products Containing Vitex (Chaste Tree Berry)
See how Vitex (Chaste Tree Berry) is used in these analyzed products:
Frequently Asked Questions
What does Vitex (Chaste Tree Berry) do?
Herbal berry used for PMS and cycle support. Some traditional evidence, but clinical proof is limited.
What is the effective dose of Vitex (Chaste Tree Berry)?
20-40 mg standardized extract daily (traditional use range; no confirmed clinical dose from provided studies)
Is Vitex (Chaste Tree Berry) safe?
May interact with hormonal contraceptives, dopamine-related medications, and hormone-sensitive conditions — consult a doctor before use
What doesn't Vitex (Chaste Tree Berry) do?
Not a proven fertility treatment.
Research Sources
- General knowledge — no paper abstracts were provided for this analysis. Limited published research available.
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25