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Hormone Support

Vitex (PMS)

Also known as: Chasteberry, Vitex agnus-castus, Monk's pepper

A
Evidence

Well-researched herb for PMS symptoms, supporting progesterone and reducing prolactin.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored Vitex (PMS) product in our catalog (80/100). Track dose and overlaps in the app.
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Common questions

How much Vitex (PMS) should I take?

The typical range is 20-40mg standardized extract daily. 3-6 months for full effect

When should I take Vitex (PMS)?

Morning, empty stomach. No, empty stomach.

Which form of Vitex (PMS) is best?

Standardized extract — To agnusides. Other forms in the catalog: Tincture.

Is Vitex (PMS) safe?

Commonly reported: Headache, GI upset, Acne initially, Cycle changes. Serious warnings: May affect birth control, Not with IVF. Safe

Which Vitex (PMS) 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
  • Breast tenderness
  • Cycle regulation
  • Mood (luteal)

How it works

  • Supports progesterone in luteal phase
  • Reduces prolactin
  • Regulates LH/FSH
  • Takes 3+ cycles for effect

Dosage

Typical range
20-40mg standardized extract daily
Timing
Morning, empty stomach
With food
No, empty stomach
Duration
3-6 months for full effect
Special populations
PMS, luteal phase symptoms, breast tenderness

Forms

  • Standardized extract
  • Tincture

Safety

Common side effects

  • Headache
  • GI upset
  • Acne initially
  • Cycle changes

Contraindications

  • Pregnancy
  • Hormone-sensitive cancers
  • IVF/fertility treatments

Products containing Vitex (PMS)

Top-scoring supplements in our catalog that list Vitex (PMS) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

80
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Evidence notes

Strong evidence for PMS symptom reduction

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.