St Mary's Thistle 1:1 Glycetract 500ml

Regular price $245.95 AUD

Key Benefits

  • Traditionally used in Western herbal medicine to support healthy liver function.
  • Traditionally used to maintain gallbladder health.
  • May help relieve symptoms of indigestion.
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

Alcohol-Free Standardised St Mary’s Thistle Fruit Extract

MediHerb St Mary’s Thistle 1:1 Glycetract is a concentrated, alcohol-free single-herb liquid extract prepared from the fruit of Silybum marianum, also commonly known as Milk Thistle.

Standardised to contain a minimum of 25 mg/mL of silymarin, St Mary’s Thistle is traditionally used in Western herbal medicine to support healthy liver and gallbladder function and help relieve symptoms of indigestion.

The glycerol-based Glycetract format provides a naturally sweet-tasting alternative for people who need or prefer to avoid alcohol-containing herbal liquids.

This 500 mL practitioner preparation may be prescribed individually or incorporated into a professionally formulated herbal compound.

St Mary’s Thistle should not replace medical investigation or prescribed treatment for abnormal liver-function results, gallstones, persistent digestive symptoms, jaundice or another diagnosed condition.

Traditionally used in Western herbal medicine to support healthy liver function.

Traditionally used to maintain gallbladder health.

May help relieve symptoms of indigestion.

May provide digestive support where temporary bloating, fullness or discomfort is present.

May support general wellbeing when temporarily feeling run down or tired.

Standardised to contain a minimum of 25 mg/mL of silymarin.

Provides an alcohol-free alternative to ethanol-based herbal liquid extracts.

The glycerol-based format has a naturally sweet taste and allows flexible practitioner dosing.

St Mary’s Thistle should not be presented as cleansing the liver, removing unspecified toxins or reversing liver damage.

It should not be described as treating fatty liver disease, hepatitis, cirrhosis, gallstones or another diagnosed liver or gallbladder condition.

Practitioner-guided liver and gallbladder support.

Adults prescribed St Mary’s Thistle as part of an individualised digestive or liver-health plan.

People who need or prefer an alcohol-free liquid herbal preparation.

Professional herbal formulas supporting healthy liver function and digestion.

Adults experiencing temporary indigestion after serious or persistent causes have been excluded.

People requiring a standardised liquid extract rather than a tablet, capsule or ethanol-based tincture.

Persistent upper abdominal pain, jaundice, repeated vomiting, unexplained weight loss, dark urine or pale stools requires appropriate medical assessment.

Common name: St Mary’s Thistle

Preferred alternative name: Milk Thistle

Other names: Blessed Milk Thistle, Marian Thistle

Botanical name: Silybum marianum

Plant part used: Fruit

Plant family: Asteraceae

Older family name: Compositae

Extract ratio: 1:1

Standardised constituent: Minimum 25 mg/mL silymarin

Extract format: Glycetract

Ethanol content: 0%

Bottle size: 500 mL

Silymarin is the collective name for a group of naturally occurring flavonolignans found in St Mary’s Thistle fruit.

Standardisation supports extract consistency but does not mean the product treats liver disease or that the maximum dosage is suitable for every person.

A Glycetract is a glycerol-based liquid herbal preparation designed to provide an alcohol-free alternative to conventional ethanol-containing extracts.

This product should not be confused with Milk Thistle tablets, concentrated dry silymarin extracts or herbal liquids made using different solvents and extract ratios.

St Mary’s Thistle (Silybum marianum) fruit 1:1 Glycetract liquid extract.

Standardised to contain a minimum of 25 mg/mL of silymarin.

Glycerol-based and alcohol-free.

Contains 0% ethanol.

Adults: Take 30–60 mL per week, or as directed by a qualified healthcare practitioner.

This is a weekly dosage range and must not be interpreted as 30–60 mL per day.

The live page provides an adult dosage only.

Children should receive the product only when an age-appropriate amount has been individually selected by a qualified healthcare practitioner.

Shake well before use.

Measure the prescribed amount carefully.

The measured amount may be taken in a small quantity of water or as directed by your healthcare practitioner.

Take only according to the current product label or your healthcare practitioner’s directions.

Do not exceed the recommended or professionally prescribed amount.

Do not increase the dosage because fatigue, indigestion or liver-related concerns remain present.

Seek professional advice if indigestion persists, worsens, repeatedly returns or continues for longer than two weeks.

Abnormal liver-function results or ongoing fatigue should be appropriately investigated rather than managed indefinitely with a herbal supplement.

No added gluten or dairy.

Vegan-friendly.

Contraindicated in people with a known allergy to St Mary’s Thistle or Silybum marianum.

People allergic to plants from the Asteraceae or Compositae family may have a greater risk of reacting.

Related plants include ragweed, daisies, chrysanthemums, marigolds and echinacea.

Stop use and seek urgent medical assistance if facial swelling, throat tightness, breathing difficulty, widespread hives, faintness or another serious allergic reaction develops.

Always check the current bottle 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.

Use cautiously if you have gallstones or a history of gallbladder attacks.

Supporting bile flow may be unsuitable where a stone is obstructing or could obstruct a bile duct.

Consult a doctor before use if you have gallstones, bile-duct obstruction, gallbladder inflammation, cholangitis or another diagnosed biliary condition.

Seek urgent medical assessment for severe or persistent pain beneath the right ribs, fever, repeated vomiting, jaundice, dark urine or pale stools.

Do not use St Mary’s Thistle as a substitute for investigation or treatment of liver disease.

Do not describe the product as reversing fatty liver, repairing alcohol-related liver damage, treating hepatitis or regenerating a cirrhotic liver.

Research involving specific silymarin preparations has produced mixed or inconclusive findings for diagnosed liver diseases. Those findings should not automatically be transferred to this Glycetract.

Abnormal liver-function results require assessment of possible causes such as medication effects, alcohol intake, metabolic health, infection, gallbladder disease or another medical condition.

Consult your doctor or pharmacist before use if you take prescription medicines.

Available information does not establish major interactions with every medicine, but herbal products may still be unsuitable with some treatments or health conditions.

Tell your healthcare professional about all medicines, supplements and herbal products being used, particularly when treatment is being monitored through blood tests.

Do not change or discontinue prescribed medication without advice from the healthcare professional managing your care.

Possible side effects may include nausea, bloating, indigestion, abdominal discomfort, diarrhoea or headache.

Stop use and seek professional advice if a persistent or unexpected reaction develops.

Use during pregnancy or breastfeeding should occur only under the supervision of a qualified healthcare practitioner.

Reliable safety information during pregnancy and breastfeeding remains limited.

Although the alcohol-free format may be used where an ethanol-containing extract is unsuitable, alcohol-free does not automatically mean appropriate for every age, health condition or medication routine.

The live page provides an adult dosage only.

Children should use the product only when a qualified healthcare practitioner has selected an appropriate dosage.

Discontinue use seven days before general anaesthesia, surgery or an invasive procedure unless otherwise directed by the treating healthcare professional.

Keep out of reach of children.

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.

Do not contaminate the bottle opening or measuring device.

Keep securely out of reach of children.

Follow any additional storage instructions printed on the current Australian product label.

ST MARY’S THISTLE GLYCETRACT FAQSCommon Questions About St Mary’s Thistle Glycetract
What is MediHerb St Mary’s Thistle 1:1 Glycetract?

It is a concentrated, alcohol-free liquid extract prepared from the fruit of Silybum marianum, commonly known as Milk Thistle.

The extract is standardised to contain a minimum of 25 mg/mL of silymarin. The 500 mL format is intended primarily for practitioner dispensing and professional herbal compounding.

What is St Mary’s Thistle traditionally used for?

St Mary’s Thistle is traditionally used in Western herbal medicine to support healthy liver and gallbladder function.

It may also help relieve temporary symptoms of indigestion and support general wellbeing when feeling run down.

What does Glycetract mean?

Glycetract refers to an alcohol-free liquid herbal preparation that uses glycerol as part of its extraction and delivery base.

It provides a naturally sweet-tasting alternative for people who need or prefer to avoid ethanol-containing herbal liquids.

What is silymarin?

Silymarin is the collective name for a group of naturally occurring flavonolignans found in St Mary’s Thistle fruit.

This product is standardised to contain a minimum of 25 mg/mL of silymarin to support extract consistency.

Does St Mary’s Thistle detox or cleanse the liver?

St Mary’s Thistle is traditionally used to support healthy liver function, but it should not be described as cleansing the liver or removing unspecified toxins.

The liver already performs complex processing functions. Persistent symptoms or abnormal blood-test results require proper investigation.

Can St Mary’s Thistle treat fatty liver, hepatitis or cirrhosis?

No.

Research involving different silymarin preparations has produced mixed results, and the product should not be presented as treating or reversing fatty liver disease, hepatitis, cirrhosis or other diagnosed liver conditions.

Can St Mary’s Thistle help with indigestion?

St Mary’s Thistle is traditionally used to help relieve symptoms of indigestion and support digestive function.

Persistent pain, repeated vomiting, difficulty swallowing, unexplained weight loss, black stools or symptoms continuing for longer than two weeks requires medical assessment.

Can this product be used when gallstones are present?

Professional advice is required.

The product should be used cautiously where gallstones are present because an impacted stone may obstruct a bile duct. Severe pain beneath the right ribs, fever, jaundice or vomiting requires prompt medical care.

Can St Mary’s Thistle Glycetract be used during pregnancy, breastfeeding or childhood?

Use during pregnancy or breastfeeding should occur only under professional supervision because reliable safety information is limited.

The product is alcohol-free, but the live page provides an adult dosage only. Children require an individually selected dosage from a qualified healthcare practitioner.

How much St Mary’s Thistle Glycetract should be taken and how should it be stored?

The listed adult dosage is 30–60 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.

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