Marshmallow Root 1:5 500ml

Regular price $184.95 AUD

Key Benefits

  • Traditionally used in Western herbal medicine to soothe irritation of the mouth and throat.
  • Traditionally used in Western herbal medicine to help relieve an associated dry cough.
  • Traditionally used to support comfort where hoarseness is associated with throat irritation.
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 Marshmallow Root Liquid Extract

MediHerb Marshmallow Root 1:5 is a concentrated single-herb liquid extract prepared from the root of Althaea officinalis.

Traditionally used in Western herbal medicine as a soothing demulcent herb, Marshmallow Root may help relieve irritation of the mouth and throat with an associated dry cough and support comfort where mild gastrointestinal irritation is present.

It may also be prescribed by a healthcare practitioner to help relieve pain and burning associated with cystitis where this use appears on the current Australian product label.

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

Marshmallow Root should not replace medical assessment of breathing difficulty, persistent cough, fever, worsening digestive symptoms, recurrent urinary discomfort or blood in the urine.

Traditionally used in Western herbal medicine to soothe irritation of the mouth and throat.

Traditionally used in Western herbal medicine to help relieve an associated dry cough.

Traditionally used to support comfort where hoarseness is associated with throat irritation.

Traditionally used as a demulcent herb to soothe irritated mucous membranes.

Traditionally used in Western herbal medicine to help relieve mild gastrointestinal irritation and discomfort.

May be prescribed to help relieve pain and burning associated with cystitis where this indication is confirmed on the current Australian product label.

Provides a concentrated liquid format for individualised practitioner prescribing.

May be combined with compatible respiratory, digestive or urinary herbs where professionally appropriate.

The recognised traditional evidence does not establish Marshmallow Root as a treatment for respiratory infection, asthma, pneumonia, reflux disease, inflammatory bowel disease, stomach ulcers, urinary tract infection or kidney disease.

Practitioner-guided throat and upper-respiratory comfort support.

Adults experiencing a temporary dry, irritating cough associated with throat irritation.

Practitioner-formulated demulcent herbal compounds.

Adults prescribed Marshmallow Root for mild gastrointestinal irritation or discomfort.

Practitioner-guided digestive formulas focused on mucous membrane comfort.

Adults prescribed Marshmallow Root for pain or burning associated with cystitis.

Customers requiring a concentrated liquid extract rather than tea, powder, tablets or capsules.

This product is not intended for the unsupervised treatment of respiratory infection, persistent cough, severe abdominal pain, gastrointestinal bleeding, urinary tract infection, kidney infection or recurring cystitis.

Common name: Marshmallow Root

Alternative names: Marsh Mallow, Common Marshmallow

Botanical name: Althaea officinalis

Plant part used: Root

Plant family: Malvaceae

Extract ratio: 1:5

Ethanol content: 23% v/v

Format: Single-herb practitioner liquid extract

Bottle size: 500 mL

Marshmallow Root is obtained from the medicinal plant Althaea officinalis. It is unrelated to modern confectionery marshmallows, although the plant was historically associated with early marshmallow preparations.

Marshmallow Root (Althaea officinalis) root 1:5 liquid extract.

Contains ethanol 23% v/v.

Adults: Take 20–40 mL per week, adjusted according to individual requirements and under the guidance of a qualified healthcare practitioner.

This is a weekly dosage range and must not be interpreted as 20–40 mL per day.

Follow the current Australian product label or the amount selected by your practitioner.

Shake well before use.

Measure the prescribed amount carefully.

Dilute the prescribed amount in a small quantity of water 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 dosage because coughing, throat irritation, digestive discomfort or urinary symptoms remain present.

As a precaution, separate Marshmallow Root from oral medicines by at least 30–60 minutes unless your healthcare practitioner or pharmacist advises otherwise. Marshmallow Root preparations may delay the absorption of medicines taken at the same time.

Seek professional advice if mouth or throat irritation or an associated dry cough continues for longer than one week.

Mild gastrointestinal discomfort continuing for longer than two weeks should also be professionally reviewed.

For practitioner dispensing and professionally guided use.

Always read the label and follow the directions for use.

Do not use Marshmallow Root as a substitute for medical assessment or treatment of influenza, COVID-19, asthma, pneumonia, bacterial respiratory infection or another serious illness.

Seek medical advice if a cough or throat irritation worsens, returns repeatedly or continues for longer than one week.

Seek prompt medical assessment if shortness of breath, wheezing, chest pain, high or persistent fever, marked weakness, confusion, coughing up blood or thick discoloured mucus occurs.

Marshmallow Root may provide soothing support for a dry cough associated with throat irritation. It should not be described as treating the underlying cause of a cough or eliminating respiratory infection.

Seek medical advice if gastrointestinal discomfort worsens or continues for longer than two weeks.

Severe or persistent abdominal pain, repeated vomiting, difficulty swallowing, unexplained weight loss, black stools, blood in the stool or vomiting blood requires prompt medical assessment.

Do not describe Marshmallow Root as repairing the gut lining, healing ulcers, treating gastritis, curing reflux or managing inflammatory bowel disease.

If pain or irritation associated with cystitis persists for more than 48 hours, consult your doctor.

The presence of blood in the urine requires immediate medical attention.

Seek prompt medical assessment where urinary symptoms are accompanied by fever, chills, back or flank pain, nausea, vomiting, pregnancy or feeling significantly unwell.

Marshmallow Root should not be presented as treating or eliminating a bacterial urinary tract infection.

Absorption of medicines taken at the same time may be delayed. As a precaution, take Marshmallow Root at least 30–60 minutes before or after other oral medicines unless directed otherwise by your practitioner or pharmacist.

Consult your healthcare practitioner before use if you take prescription medicines or medicines requiring carefully controlled absorption or blood levels.

Use during pregnancy or breastfeeding only under the direction of a qualified healthcare practitioner.

The current GhamaHealth page provides an adult dosage only.

Do not give this concentrated 23% ethanol practitioner preparation to a child or adolescent unless an age-appropriate amount has been individually prescribed.

European guidance notes that ethanol-containing Marshmallow Root extracts should be restricted to adults where adequate paediatric information is unavailable. Guidance applying to teas or non-alcoholic syrups must not be automatically transferred to this practitioner liquid extract.

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

Contains ethanol.

Keep out of reach of children.

  • If pain or irritation associated with cystitis persists for more than 48 hours, consult your doctor.
  • The presence of blood in the urine warrants immediate medical attention.
  • Professional supervision is suggested during pregnancy and lactation.
  • Discontinue use 7 days prior to general anesthesia.

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 other ignition sources due to the ethanol content.

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

MARSHMALLOW ROOT LIQUID FAQSCommon Questions About Marshmallow Root Liquid Extract
What is MediHerb Marshmallow Root 1:5 Liquid Extract?

It is a concentrated single-herb liquid extract prepared from the root of Althaea officinalis.

The 500 mL format is intended primarily for practitioner dispensing, individual prescribing and professional herbal compounding.

What is Marshmallow Root traditionally used for?

Marshmallow Root is traditionally used in Western herbal medicine to soothe irritation of the mouth and throat with an associated dry cough.

It is also traditionally used as a demulcent preparation to help relieve mild gastrointestinal irritation and discomfort.

What does demulcent mean?

A demulcent herb contains naturally occurring mucilage compounds and is traditionally used to provide soothing support to irritated mucous membranes.

This does not mean that Marshmallow Root permanently coats, repairs or heals the respiratory or digestive tract.

Can Marshmallow Root help with a dry cough?

Marshmallow Root is traditionally used to soothe mouth or throat irritation and help relieve an associated dry cough.

It does not treat respiratory infection, asthma, pneumonia or the underlying cause of every cough. A cough continuing beyond one week or accompanied by breathing difficulty, fever, chest pain or discoloured mucus requires professional assessment.

Can Marshmallow Root support digestive comfort?

Marshmallow Root is traditionally used to help relieve mild gastrointestinal irritation and discomfort.

It should not be described as healing stomach ulcers, repairing a damaged gut lining or treating reflux disease, gastritis or inflammatory bowel disease.

Can Marshmallow Root be used for cystitis discomfort?

The current GhamaHealth page states that the product may help relieve pain and burning associated with cystitis.

Keep this claim only when confirmed on the current Australian bottle label and present it with the required warnings. Consult a doctor if symptoms persist for more than 48 hours, and seek immediate medical attention if blood appears in the urine.

Can Marshmallow Root treat a urinary tract infection?

It may be prescribed for soothing symptom support, but it does not replace medical assessment or appropriate treatment of a bacterial urinary tract infection, kidney infection or recurrent cystitis.

Can Marshmallow Root affect the absorption of medicines?

Marshmallow Root preparations may delay the absorption of oral medicines taken at the same time.

As a precaution, separate this extract from oral medicines by at least 30–60 minutes unless your healthcare practitioner or pharmacist gives different instructions.

How much Marshmallow Root Liquid Extract should be taken?

The current GhamaHealth page lists an adult dosage of 20–40 mL per week, adjusted according to individual requirements and under practitioner guidance.

This is a weekly amount and must not be mistaken for a daily dosage.

How should Marshmallow Root Liquid Extract be stored?

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

Keep the bottle tightly closed and securely out of reach of children.