Mediherb Bladderwrack 1:1 500ml
Mediherb Bladderwrack 1:1 500ml

Bladderwrack 1:1 500ml

$199.95 AUD

Key Benefits

  • Supports healthy thyroid function
  • Provides a herbal source of iodine
  • Supports thyroid hormone production within normal healthy function
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Practitioner-grade support. Always read the label and follow the directions for use.

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Practitioner Liquid Herbal Extract for Thyroid & Iodine Support

MediHerb Bladderwrack 1:1 is a practitioner-style liquid herbal extract made from the whole plant of Fucus vesiculosus. It is traditionally used to support healthy thyroid function, iodine intake and metabolic wellbeing. This 500mL format is best suited to practitioner-guided use or compounding.

Supports healthy thyroid function
Provides a herbal source of iodine
Supports thyroid hormone production within normal healthy function
Supports metabolic wellbeing where professionally appropriate
Practitioner-style 1:1 liquid herbal extract
Suitable for compounding or practitioner-guided use

Practitioner-guided thyroid support
Iodine-support formulas where appropriate
Metabolic wellbeing formulas
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: Fucus vesiculosus
Plant Part Used: Whole Plant
Extract Ratio: 1:1
Ethanol Content: 23%

Fucus vesiculosus liquid extract 1:1.

Adults: 30–60mL 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, making it suitable for various dietary preferences.

Contraindicated in hyperthyroidism and related cardiac conditions. Professional supervision is recommended during pregnancy, and caution is advised during lactation. Avoid high or prolonged doses during pregnancy and breastfeeding due to iodine content. Check with a healthcare professional before use if taking thyroid medication, managing a thyroid condition, or using other iodine-containing supplements. 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.

BLADDERWRACK LIQUID FAQSCommon Questions About Bladderwrack Liquid Extract
What is MediHerb Bladderwrack 1:1 Liquid used for?

MediHerb Bladderwrack 1:1 Liquid is a practitioner-style herbal extract traditionally used to support healthy thyroid function, iodine intake and metabolic 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 1:1 liquid extract mean?

A 1:1 liquid extract means the herb has been prepared in a concentrated liquid format. For this product, Bladderwrack whole plant is prepared as a practitioner-style liquid herbal extract.

What part of the plant is used?

MediHerb Bladderwrack 1:1 uses the whole plant of Fucus vesiculosus. This is the botanical ingredient listed for the extract.

Does Bladderwrack Liquid contain alcohol?

Yes. This product contains 23% ethanol, which is used to extract and preserve the herbal constituents. Customers avoiding alcohol should check suitability with a healthcare professional before use.

Why is Bladderwrack used for thyroid support?

Bladderwrack is a natural herbal source of iodine. Iodine supports healthy thyroid hormone production, but it is not suitable for everyone, especially people with thyroid conditions or those using thyroid medication.

How is Bladderwrack Liquid taken?

The product page lists the adult dose as 30–60mL per week. Because this is a practitioner-style liquid extract, dosing should be guided by a qualified healthcare professional or the product label.

Who should avoid Bladderwrack Liquid?

Bladderwrack Liquid is contraindicated in people with hyperthyroidism and related cardiac conditions. Customers with thyroid disease, thyroid nodules, autoimmune thyroid concerns or those taking thyroid medication should seek professional advice before use.

Can I use Bladderwrack Liquid during pregnancy or breastfeeding?

Professional supervision is recommended during pregnancy, and caution is advised during lactation. High or prolonged doses should be avoided during pregnancy and breastfeeding due to iodine content.

Are there any medicine or procedure cautions?

Yes. Customers taking medication, using other iodine-containing supplements, or managing thyroid or heart-related conditions should seek professional advice before use. Bladderwrack Liquid should be discontinued 7 days before general anaesthesia, and professional advice is recommended if symptoms persist.

Related Reading

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Read our related guide: Iodine, Tyrosine & Thyroid Hormone Support