Golden Seal 1:3 500ml (cultivated)

Regular price $499.95 AUD

Key Benefits

  • Traditionally used in Western herbal medicine to support healthy mucous membranes
  • Supports normal mucus function
  • Supports healthy breathing passages
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Practitioner-grade support. Always read the label and follow the directions for use.

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Practitioner-Grade Cultivated Golden Seal Liquid Extract

MediHerb Golden Seal 1:3 is a concentrated single-herb liquid extract prepared from the cultivated root and rhizome of Hydrastis canadensis.

Traditionally used in Western herbal medicine to support healthy mucous membranes, normal mucus function and temporary mild digestive comfort, this 500 mL practitioner preparation may be prescribed individually or incorporated into a professionally formulated herbal compound.

Golden Seal contains the naturally occurring alkaloids hydrastine and berberine and requires professional review where medicines, high blood pressure, pregnancy, breastfeeding or complex health conditions are present.

Traditionally used in Western herbal medicine to support healthy mucous membranes

Supports normal mucus function

Supports healthy breathing passages

Traditionally used to support digestion and help relieve temporary mild digestive discomfort

Provides quantified hydrastine and berberine content

Offers a concentrated liquid format for individualised practitioner prescribing

Current official manufacturer positioning centres on mucous membranes, breathing passages, mucus function and mild digestive discomfort. It does not support presenting Golden Seal as a proven infection treatment.

Practitioner-guided mucous membrane support

Adults prescribed Golden Seal as part of an individualised herbal protocol

Professional herbal compounds supporting normal mucus function

Practitioner-selected digestive formulations for temporary mild digestive discomfort

Targeted short-term herbal protocols where medicines and contraindications have been reviewed

Customers requiring a concentrated liquid extract rather than tablets or capsules

This product is not intended for unsupervised treatment of respiratory infection, sinus infection, gastrointestinal infection, diarrhoea, eye infection, skin infection or another diagnosed condition.

Common name: Golden Seal

Alternative names: Goldenseal, Yellow Root

Botanical name: Hydrastis canadensis

Plant part used: Root and rhizome

Plant family: Ranunculaceae

Source: Cultivated

Extract ratio: 1:3

Quantified constituents: Not less than 6 mg/mL hydrastine and not less than 8 mg/mL berberine

Ethanol content: 45% v/v

Format: Quantified single-herb practitioner liquid extract

Bottle size: 500 mL

Golden Seal (Hydrastis canadensis) root and rhizome 1:3 liquid extract.

Contains not less than 6 mg/mL of hydrastine.

Contains not less than 8 mg/mL of berberine.

Contains ethanol 45% v/v.

Adults: Take 15–30 mL per week, or as directed by a qualified healthcare practitioner.

This is a weekly dosage range and must not be interpreted as 15–30 mL per day.

Confirm the prescribed amount against the current Australian product label before use.

Shake well before use.

Measure the prescribed amount carefully.

Dilute the prescribed oral amount in water or juice immediately before taking.

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 amount because congestion, digestive symptoms or another complaint remains present.

Any gargle, cream or other topical preparation should be compounded and directed by a qualified healthcare practitioner.

Do not place the undiluted extract into the eyes, mouth, nose, open wounds or damaged skin.

I recommend leaving the current eye-bath directions out of the main customer-facing Directions field unless they are confirmed exactly against the current Australian label and intended only for professional compounding.

No added gluten or dairy.

Vegan-friendly.

Do not use if you have a known allergy or sensitivity to Golden Seal or another ingredient in the preparation.

Stop use and seek medical assistance if a rash, facial swelling, throat tightness, breathing difficulty or another allergic reaction develops.

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.

Contraindicated during pregnancy.

Do not use while breastfeeding.

Do not give Golden Seal directly to newborns or infants.

Golden Seal contains berberine, which may cause or worsen jaundice in newborn infants and may contribute to a dangerous accumulation of bilirubin.

Do not use where neonatal jaundice is present.

The current official manufacturer page also lists high blood pressure as a contraindication. Confirm this against the Australian bottle label and obtain professional advice before use if you have high or unstable blood pressure.

Consult your healthcare practitioner or pharmacist before use if you take any prescription medicine.

Golden Seal can affect the way the body processes numerous medicines by inhibiting the CYP2D6 and CYP3A4 metabolic pathways. This gives it a comparatively high potential for medication interactions.

Professional review is particularly important with medicines that have a narrow therapeutic range, sedatives, anaesthetic medicines and medicines affected by CYP2D6 or CYP3A4.

MediHerb’s current interaction guidance advises monitoring with midazolam because Golden Seal may increase its level.

Consult your prescribing practitioner before use with metformin. A clinical study found that Golden Seal reduced metformin levels by approximately 25%, which could interfere with blood-glucose management.

Do not use Golden Seal as a substitute for antibiotics, infection testing, prescribed respiratory treatment, diabetes medication or medical assessment.

Long-term safety has not been established. Golden Seal is better suited to targeted, professionally directed use than indefinite daily supplementation.

Do not place the undiluted extract directly into the eyes.

Eye pain, vision changes, light sensitivity, significant discharge or persistent redness requires professional assessment rather than home treatment with an herbal eye bath.

Seek medical advice for persistent fever, breathing difficulty, chest pain, worsening respiratory symptoms or symptoms that do not improve.

Seek medical advice for ongoing diarrhoea, fever, blood or mucus in the stool, unexplained weight loss or diarrhoea occurring at night.

Vomiting blood, passing black stools or significant rectal bleeding requires urgent medical assessment.

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

Stop use and seek professional advice if significant nausea, vomiting, constipation, diarrhoea, abdominal pain, jaundice or another unexpected reaction occurs.

Contains ethanol.

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.

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

Any professionally prepared gargle, cream or topical formulation should be stored and discarded according to the practitioner’s directions.

GOLDEN SEAL LIQUID FAQSCommon Questions About Golden Seal Liquid Extract
What is MediHerb Golden Seal 1:3 Liquid Extract?

It is a concentrated single-herb liquid extract prepared from cultivated Hydrastis canadensis root and rhizome. The 500 mL format is intended primarily for practitioner dispensing, individual prescribing and professional herbal compounding.

What is Golden Seal traditionally used for?

Golden Seal is traditionally used in Western herbal medicine to support healthy mucous membranes, normal mucus function, healthy breathing passages and temporary mild digestive comfort.

Why does the product say “cultivated”?

Cultivated means the Golden Seal has been grown rather than collected from wild populations. This distinction matters because wild Golden Seal has historically been overharvested and is available in limited quantities.

What are hydrastine and berberine?

Hydrastine and berberine are naturally occurring alkaloids found in Golden Seal root and rhizome.

The current GhamaHealth page lists not less than 6 mg/mL of hydrastine and not less than 8 mg/mL of berberine in the finished extract.

What does the 1:3 extract ratio mean?

The 1:3 ratio means one part of starting Golden Seal root and rhizome is used to produce three parts of finished liquid extract.

How much Golden Seal Liquid Extract should be taken?

The current GhamaHealth page lists an adult dosage of 15–30 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.

Is Golden Seal a natural antibiotic?

No. It should not be presented as an antibiotic or as a treatment for respiratory, gastrointestinal, eye or skin infections.

Rigorous human studies have not established Golden Seal as an effective treatment for any specific health condition. Its customer-facing role should remain traditional mucous membrane and digestive support.

Can Golden Seal be used as an eye wash or topical treatment?

The current page includes practitioner compounding directions for an eye bath and cream, but these should not be improvised by customers.

Never place undiluted Golden Seal extract into the eyes. Eye pain, visual changes, light sensitivity, significant discharge or persistent redness requires professional assessment.

Who should not use Golden Seal?

Golden Seal should not be used during pregnancy or breastfeeding and must not be given to newborns or infants.

Professional review is also essential for people with high blood pressure or anyone taking prescription medicine because Golden Seal can alter medicine metabolism and drug levels.

How should Golden Seal 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 and securely out of reach of children.