Chaste Tree 1:2 500ml

Regular price $183.95 AUD

Key Benefits

  • Traditionally used in Western herbal medicine to help relieve premenstrual symptoms
  • Supports menstrual cycle regularity
  • May assist with cyclical mood changes, breast tenderness and abdominal bloating associated with premenstrual patterns
View full range — Mediherb Liquid

Australian-owned • Independent wellness

Practitioner-grade support. Always read the label and follow the directions for use.

Shipping & Dispatch $19.95 flat rate · Free over $199

Australia Post — fully trackable.


  • Free shipping: $199+
  • Flat rate: $19.95 Australia-wide

Dispatch: usually within 1–3 business days

Practitioner-Grade Chaste Tree Fruit Liquid Extract

MediHerb Chaste Tree 1:2 is a concentrated single-herb liquid extract prepared from the fruit of Vitex agnus-castus.

Traditionally used in Western herbal medicine to support menstrual cycle regularity and help relieve premenstrual symptoms, this 500 mL practitioner format may be prescribed individually or incorporated into a professionally formulated herbal compound.

Chaste Tree is generally considered a longer-term cycle-support herb rather than an immediate treatment for menstrual pain.

Traditionally used in Western herbal medicine to help relieve premenstrual symptoms

Supports menstrual cycle regularity

May assist with cyclical mood changes, breast tenderness and abdominal bloating associated with premenstrual patterns

Provides a flexible liquid format for individualised practitioner prescribing

May be combined with compatible herbal extracts where professionally appropriate

Practitioner-guided menstrual cycle and premenstrual support

Adults prescribed Chaste Tree as part of an individualised women’s health protocol

People experiencing a recurring pattern of premenstrual symptoms

Professional herbal compounds requiring a single Vitex agnus-castus extract

Customers requiring a liquid herbal preparation rather than tablets or capsules

This product is not intended for unsupervised treatment of irregular bleeding, fertility concerns, severe menstrual pain or diagnosed hormone disorders.

Common name: Chaste Tree or Vitex

Botanical name: Vitex agnus-castus

Plant part used: Fruit

Extract ratio: 1:2

Ethanol content: 60% v/v

Format: Single-herb liquid extract

Bottle size: 500 mL

Chaste Tree (Vitex agnus-castus) fruit 1:2 liquid extract.

Contains ethanol 60% v/v.

Adults: Take 6–30 mL per week, or as directed by a qualified healthcare practitioner.

This is a weekly dosage range and must not be interpreted as 6–30 mL per day.

Confirm the dosage against the current product label before use.

Shake well before use.

Measure the prescribed amount carefully and take only according to your healthcare practitioner’s directions.

The prescribed amount may be diluted in a small quantity of water immediately before taking.

Take it consistently at the time recommended by your practitioner.

Do not increase the amount because menstrual symptoms remain present during the first cycle of use.

Do not start or stop Chaste Tree around fertility treatment or hormonal medication without professional advice.

No added gluten or dairy.

Vegan-friendly.

Always check the current product label where allergies or dietary sensitivities are present.

For practitioner dispensing and professionally guided use.

Always read the label and follow the directions for use.

Chaste Tree can affect hormonal activity and may interact with prescription medicines, including oral contraceptives.

Consult your healthcare practitioner before use if you take hormonal contraception, hormone replacement therapy, fertility medicines, dopamine-related medicines or other hormone-modifying treatments.

Do not use during pregnancy, breastfeeding or while trying to conceive unless a qualified healthcare practitioner has confirmed suitability.

Consult your doctor before use if you have a history of a pituitary disorder, a prolactin-secreting tumour or an oestrogen-sensitive condition.

Do not use this product to replace medical investigation of absent periods, irregular bleeding, infertility or persistent menstrual symptoms.

Chaste Tree may aggravate spasmodic menstrual pain that is not associated with a premenstrual syndrome pattern.

Seek medical advice for severe pelvic pain, unusually heavy bleeding, bleeding between periods, bleeding after menopause or sudden unexplained cycle changes.

Consult your healthcare practitioner before use if you take prescription medicines or have an existing medical condition.

Discontinue use at least seven days before general anaesthesia unless otherwise directed by your healthcare professional.

Stop use and seek advice if symptoms worsen or an unexpected reaction occurs.

Contains 60% ethanol.

Keep out of reach of children.

The TGA specifically warns that Chaste Tree may interact with prescription medicines such as oral contraceptives. EMA guidance also recommends medical advice for people with pituitary disorders, prolactin-secreting tumours, oestrogen-sensitive conditions or medicines affecting dopamine or oestrogen activity.

Store below 25°C in a cool, dry place away from direct sunlight and excessive heat.

Keep the bottle tightly closed when not in use.

Store away from flames, sparks and ignition sources due to the ethanol content.

CHASTE TREE LIQUID FAQSCommon Questions About Chaste Tree Liquid Extract
What is MediHerb Chaste Tree 1:2 Liquid Extract?

It is a concentrated single-herb liquid extract prepared from the fruit of Vitex agnus-castus. The 500 mL format is intended primarily for practitioner dispensing, individual prescribing and professional herbal compounding.

What is Chaste Tree traditionally used for?

Chaste Tree is traditionally used in Western herbal medicine to help relieve premenstrual symptoms and support menstrual cycle regularity.

Is Chaste Tree intended for immediate period-pain relief?

Not usually. Chaste Tree is generally considered a longer-term cycle-support herb rather than an immediate option for menstrual cramps. A practitioner may recommend consistent use across several cycles, depending on the individual.

What does the 1:2 extract ratio mean?

The 1:2 ratio describes the concentration used when preparing the extract. It means one part of starting herbal material is used to produce two parts of finished liquid extract.

How much Chaste Tree Liquid Extract should be taken?

The listed adult dosage is 6–30 mL per week, or as directed by a qualified healthcare practitioner. This is a weekly amount and must not be mistaken for a daily dosage.

Does Chaste Tree Liquid Extract contain alcohol?

Yes. It contains 60% ethanol, which is used during extraction and preservation. Speak with your practitioner before use if an alcohol-containing preparation is unsuitable for you.

Can Chaste Tree be taken with the contraceptive pill?

Chaste Tree may interact with oral contraceptives and potentially reduce their reliability. Do not combine them unless your prescribing healthcare professional has reviewed the combination.

Can Chaste Tree be used while trying to conceive or during fertility treatment?

Professional advice is essential. Chaste Tree should not be started during fertility treatment or while trying to conceive without guidance from the healthcare practitioner managing your care.

Can Chaste Tree be used during pregnancy or breastfeeding?

Do not use it during pregnancy or breastfeeding unless a qualified healthcare practitioner has specifically confirmed that it is appropriate.

How should Chaste Tree Liquid Extract be stored?

Store it below 25°C in a cool, dry place away from direct sunlight and excessive heat. Keep the bottle tightly closed, away from ignition sources and out of reach of children.