Hormone Support
Vitex (Chasteberry)
Also known as: Chaste tree berry, Vitex agnus-castus, Chasteberry, Monk's pepper
Well-researched herb for women's hormonal balance, PMS, and cycle regulation.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Vitex (Chasteberry) product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Bluebonnet Nutrition VITEX BERRY EXTRACT | 80 A- | $0.36 |
| 2 | Integrative Therapeutics Vitex Extract | 76 B+ | $0.46 |
| 3 | Vital Nutrients Menopause Support | 74 B+ | $0.70 |
| 4 | Herb Pharm Chaste Tree | 73 B+ | $0.45 |
| 5 | Gaia Herbs Vitex Berry | 72 B | $0.66 |
| 6 | Vital Nutrients PMS Support | 66 B- | $1.07 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Vitex (Chasteberry) should I take?
The typical range is 20-40mg standardized extract or 160-240mg dried berry equivalent. 3-6 months for full effect
When should I take Vitex (Chasteberry)?
Morning, before breakfast. No, empty stomach preferred.
Which form of Vitex (Chasteberry) is best?
Standardized extract — Most studied. Other forms in the catalog: Tincture, Dried berry.
Is Vitex (Chasteberry) safe?
Commonly reported: Headache, GI upset, Acne (initially), Cycle changes. Serious warnings: May affect hormonal birth control, Not with IVF/fertility treatments. Safe
Which Vitex (Chasteberry) supplement scores highest?
Bluebonnet Nutrition VITEX BERRY EXTRACT, at 80/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- PMS symptoms
- Cycle regulation
- Progesterone support
- PCOS (some)
How it works
- Acts on pituitary to support progesterone
- Dopaminergic effects
- Reduces prolactin
- Regulates LH/FSH ratio
Dosage
- Typical range
- 20-40mg standardized extract or 160-240mg dried berry equivalent
- Timing
- Morning, before breakfast
- With food
- No, empty stomach preferred
- Duration
- 3-6 months for full effect
- Special populations
- Women with PMS, irregular cycles, luteal phase issues
Forms
- Standardized extract
- Tincture
- Dried berry
Safety
Common side effects
- Headache
- GI upset
- Acne (initially)
- Cycle changes
Contraindications
- Pregnancy
- Hormone-sensitive cancers
- IVF/assisted reproduction
Products containing Vitex (Chasteberry)
Top-scoring supplements in our catalog that list Vitex (Chasteberry) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Strong evidence for PMS and cycle regulation
Grade A: Multiple well-designed human trials support the main claims.
Related in Hormone Support
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.