What is chasteberry extract used for?

Chasteberry extract (Vitex agnus-castus) is most commonly used to help manage PMS symptoms and support menstrual cycle regularity. It is also used by some women for fertility support related to luteal phase issues.

How does chasteberry extract work?

Its effects appear to involve hormonal signaling, including dopaminergic activity that may influence prolactin. The exact mechanisms are not fully defined.

What is a typical dose of chasteberry extract?

Common supplemental dosing is in the range of 20–40 mg per day of extract. Product potency varies, so follow the label directions for the specific extract used.

Who should avoid chasteberry extract or use caution?

People who are pregnant, trying to conceive under medical care, breastfeeding, or using hormonal therapies should consult a clinician before use. Caution is also advised if you take medicines that affect dopamine or hormones.

How long does it take to notice effects for PMS?

Herbal supplements like chasteberry are often taken daily for several menstrual cycles to assess benefit. If symptoms persist or worsen, seek medical advice to rule out other causes.

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Chasteberry
Extract

Orta düzeyde araştırma durumu·7/10

Daha yüksek puan, daha iyi bir çalışma durumuna işaret eder, ancak mutlaka etkinlik anlamına gelmez.

Herbal extract supporting female hormonal balance, often used for PMS and menstrual symptom relief.

PCOS Menopause Support Depression / Mood Enhancement Female Fertility Hormone Balance

Doz aralığı

20–40 mg

once daily

Gelir

Take with or without food, preferably in the morning.

Yağda çözünmez.

En iyi zaman

Consistency is important; effects may take several weeks to become apparent.

Açıklama

Chasteberry extract (Vitex agnus-castus) is a traditional herbal supplement most studied for its effect on premenstrual symptoms, menstrual irregularities, and fertility in women. Its primary action appears hormonal, though exact mechanisms are not fully defined.

Avantajlar

Kanıt derecesi ile ana etkiler

Moderate

Kanıtla ilgili not

Strongest evidence is for PMS symptom reduction and some menstrual-related complaints; fertility and other uses are less established but promising.

Reduces Pre-Menstrual Syndrome (PMS) Symptoms

Strong

Chasteberry extract significantly reduces symptoms such as breast tenderness, irritability, and mood swings in women with PMS.

Özellikle ilgili olduğu kişiler: women with PMS

S1 · NCCIH – Chasteberry S2 · PubMed: Impact on Premenstrual Syndrome

Helps Regulate Menstrual Cycles

Moderate

Supplementation may help normalize irregular periods, especially in women with amenorrhea or luteal phase defects due to its dopaminergic and mild prolactin-lowering effects.

Özellikle ilgili olduğu kişiler: women with irregular cycles

S1 · NCCIH – Chasteberry S2 · PubMed: Impact on Premenstrual Syndrome S4 · NIH Office of Dietary Supplements: Hormonal Effects

Supports Fertility in Women with Luteal Insufficiency

Limited

May support fertility in some women by enhancing progesterone levels and improving luteal phase function.

Özellikle ilgili olduğu kişiler: women experiencing infertility related to hormonal imbalances

S3 · PubMed: Chasteberry and Infertility S5 · Examine.com – Vitex Agnus Castus

Güvenlik ve Uyarılar

Önemli güvenlik bilgileri ve bilinen riskler

Sadece eğitim amaçlıdır • tıbbi tavsiye değildir

Chasteberry is generally well tolerated, but has clear risks in specific populations.

Uyarılar

May cause headache, nausea, or mild digestive upset.
Contraindicated in pregnancy, lactation, and hormone-sensitive cancers.
Potential drug interactions with hormonal or dopaminergic medications; these may require clinical monitoring.
Avoid use during pregnancy due to potential hormonal effects.
Do not use while breastfeeding as safety is not established.
Avoid use with hormone-sensitive conditions such as breast cancer or endometriosis.
Use caution and consult a clinician if taking dopaminergic drugs (e.g., Parkinson’s medications); may interact.
Monitor for menstrual changes or adverse effects in women with irregular cycles.

İlaçlarla bilinen etkileşimler

hormonal contraceptives
HRT
dopaminergic drugs

Kontrendikasyonlar / özel dikkat gerektiren gruplar

pregnancy
breastfeeding
hormone-sensitive conditions (e.g., breast cancer, endometriosis, uterine fibroids)

etkileşimler

Etkin madde ↔ takviye / ilaç / gıda arasındaki önemli etkileşimler

Chasteberry may interact with hormonal and dopaminergic medications, and can alter their effects.

May reduce efficacy of hormonal contraceptives.

drug · Hormonal contraceptives

CautionModerate

Neden

Alteration of hormonal balance and potential impact on estrogen/progestin effects.

Öneri

Avoid combining unless advised by a healthcare provider.

S1 · NCCIH – Chasteberry S4 · NIH Office of Dietary Supplements: Hormonal Effects

May interfere with hormone replacement therapy.

drug · Hormone replacement therapy (HRT)

CautionModerate

Neden

Potential modification of exogenous estrogen/progesterone action.

Öneri

Use only under clinical supervision if on HRT.

S1 · NCCIH – Chasteberry S4 · NIH Office of Dietary Supplements: Hormonal Effects

Interactions with dopaminergic (dopamine agonist/antagonist) medications.

drug · Dopaminergic drugs

AvoidModerate

Neden

Chasteberry affects dopamine pathways, possibly altering medication action or side effects.

Öneri

Avoid unless closely supervised by a physician.

S1 · NCCIH – Chasteberry S5 · Examine.com – Vitex Agnus Castus

Etki mekanizmaları

Nasıl çalıştığına dair kısa açıklamalar

Modulation of Dopamine Receptors

Chasteberry components are believed to act on dopamine D2 receptors, influencing prolactin secretion, which may improve PMS symptoms and cycle regularity.

S1 · NCCIH – Chasteberry S2 · PubMed: Impact on Premenstrual Syndrome S5 · Examine.com – Vitex Agnus Castus