Blue Flag 1:2 500ml

Regular price $199.95 AUD

Key Benefits

  • Traditionally used to support liver function
  • Supports gallbladder health and bile-flow-related digestive comfort
  • Supports digestive wellbeing and bowel regularity
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Australian-owned • Independent wellness

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

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Practitioner Liquid Herbal Extract for Liver, Gallbladder & Digestive Support

MediHerb Blue Flag 1:2 is a practitioner-style liquid herbal extract traditionally used in Western herbal medicine to support liver function, gallbladder health, digestive comfort, lymphatic system health and skin wellbeing. This 500mL format is best suited to practitioner-guided use or compounding.

Traditionally used to support liver function
Supports gallbladder health and bile-flow-related digestive comfort
Supports digestive wellbeing and bowel regularity
Traditionally used to support lymphatic system health
Supports skin wellbeing through traditional herbal use
Practitioner-style 1:2 liquid herbal extract
Suitable for compounding or practitioner-guided use

Practitioner-guided liver and gallbladder support
Digestive comfort formulas
Lymphatic and skin-support formulas where professionally appropriate
Compounded herbal formulas
Customers using liquid herbal extracts under professional guidance
Those seeking a flexible liquid herbal format rather than tablets or capsules

Botanical Name: Iris versicolor
Plant Part Used: Root
Extract Ratio: 1:2
Ethanol Content: 60%

Iris versicolor liquid extract 1:2.

Adults: 20–40mL per week, or as directed by a qualified healthcare professional. Dosing may vary when used as part of a compounded herbal formula.

Take as directed by your healthcare professional. Liquid herbal extracts may be mixed with a small amount of water or juice before taking. Shake well before use.


No added Gluten or Dairy. This product is vegan-friendly and suitable for various dietary preferences.

Sensitive individuals should be monitored, especially at higher doses, due to the potential for gastrointestinal upset. Caution may be required in people with gallstones due to the potential for impacted gallstones or obstructed bile ducts. Professional supervision is recommended during pregnancy and breastfeeding. Check with a healthcare professional before use if taking medication, managing a liver, gallbladder or digestive condition, or preparing for a procedure. Discontinue 7 days before general anaesthesia. If symptoms persist, seek professional advice.

Store below 30°C in a cool, dry place away from direct sunlight. Keep tightly closed and out of reach of children.

BLUE FLAG LIQUID FAQSCommon Questions About Blue Flag Liquid Extract
What is MediHerb Blue Flag 1:2 Liquid used for?

MediHerb Blue Flag 1:2 Liquid is a practitioner-style herbal extract traditionally used in Western herbal medicine to support liver function, gallbladder health, digestive comfort, lymphatic system health and skin wellbeing.

Is this product mainly for practitioner compounding?

Yes. This 500mL liquid extract is best suited to practitioner-guided use or compounding rather than casual self-selection. Liquid herbal extracts can be combined and dosed differently depending on individual needs.

What does 1:2 liquid extract mean?

A 1:2 liquid extract means the herb has been prepared in a concentrated liquid format. For this product, Blue Flag root is prepared as a practitioner-style liquid herbal extract.

What part of the plant is used?

MediHerb Blue Flag 1:2 uses the root of Iris versicolor. This is the botanical ingredient listed for the extract.

Does Blue Flag Liquid contain alcohol?

Yes. This product contains 60% ethanol, which is used to extract and preserve the herbal constituents. Customers avoiding alcohol should check suitability with a healthcare professional before use.

How is Blue Flag Liquid taken?

The product page lists the adult dose as 20–40mL per week. Because this is a practitioner-style liquid extract, dosing should be guided by a qualified healthcare professional or the product label.

Can Blue Flag Liquid be mixed with other herbal liquids?

Yes, liquid herbal extracts are often used in practitioner compounding. However, Blue Flag should only be combined by someone who understands the herb, dose range, alcohol content and safety cautions.

Who should use caution with Blue Flag Liquid?

Caution may be required for people with gallstones due to the potential for impacted gallstones or obstructed bile ducts. Sensitive individuals should also be monitored at higher doses due to possible gastrointestinal upset.

Can I use Blue Flag Liquid during pregnancy or breastfeeding?

Professional supervision is recommended during pregnancy and breastfeeding. Speak with a qualified healthcare professional before use if pregnant, breastfeeding, planning pregnancy or unsure whether it is suitable.

Are there any medicine or procedure cautions?

Yes. Customers taking medication or managing liver, gallbladder or digestive conditions should seek professional advice before use. Blue Flag Liquid should be discontinued 7 days before general anaesthesia, and professional advice is recommended if symptoms persist.