Last verified: 17 days ago
Vitex Berry
Also known as: Chaste Tree Berry, Chasteberry, Vitex agnus-castus, Monk's Pepper, Abraham's Balm
Evidence under review. — Not yet rated
Herbal berry traditionally used to ease PMS and menstrual symptoms. Evidence is limited and mixed.
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What it does
Vitex berry comes from the chaste tree (Vitex agnus-castus), a shrub native to the Mediterranean. It is traditionally used to support hormonal balance in women, particularly to reduce PMS symptoms...
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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 or 160-240 mg dried fruit daily (traditional/general use; no study data provided)
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Found in
What the Science Says
Vitex berry comes from the chaste tree (Vitex agnus-castus), a shrub native to the Mediterranean. It is traditionally used to support hormonal balance in women, particularly to reduce PMS symptoms like breast tenderness, bloating, and mood changes. It is thought to work by influencing dopamine receptors in the pituitary gland, which may modestly lower prolactin levels — but no study abstracts were provided to confirm specific doses or outcomes here.
What It Doesn't Do
Not a proven fertility treatment. Won't balance hormones like prescription medication. No solid evidence it treats PCOS on its own. Not a substitute for medical evaluation of menstrual disorders. No evidence it works for men or for non-hormonal health goals.
Evidence-Based Benefits
May reduce common PMS symptoms like breast tenderness, bloating, and irritability.
Weak EvidenceEffective at: 20-40 mg standardized extract daily (general knowledge; no study data provided)
May modestly lower elevated prolactin levels by acting on dopamine receptors in the pituitary.
Weak EvidenceEffective at: No established dose from provided studies
Absorption & Bioavailability
Unknown — no pharmacokinetic data was provided. Standardized extracts are generally assumed to have better consistency than raw dried berry, but absorption data is lacking.
Red Flags to Watch For
- Can interact with hormonal contraceptives and hormone-sensitive medications — consult a doctor before use
- Not safe during pregnancy; may stimulate uterine contractions
- Effects may take 3+ months to appear — products claiming fast results are misleading
- Standardization varies widely between products; 'Vitex berry' on a label tells you little about actual active compound content
- No papers were provided to verify any specific clinical claims — evidence base here is general knowledge only
Products Containing Vitex Berry
See how Vitex Berry is used in these analyzed products:
Frequently Asked Questions
What does Vitex Berry do?
Herbal berry traditionally used to ease PMS and menstrual symptoms. Evidence is limited and mixed.
What is the effective dose of Vitex Berry?
20-40 mg standardized extract or 160-240 mg dried fruit daily (traditional/general use; no study data provided)
Is Vitex Berry safe?
Can interact with hormonal contraceptives and hormone-sensitive medications — consult a doctor before use
What doesn't Vitex Berry do?
Not a proven fertility treatment.
Research Sources
- General knowledge — no paper abstracts were provided for this analysis
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