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This monograph is intended to serve as a guide to industry for the preparation of Product Licence Applications (PLA) and labels for natural health product market authorization. It is not intended to be a comprehensive review of the medicinal ingredient.



July 31, 2018

Proper name(s), Common name(s), Source information

Table 1.Proper name(s), Common name(s), Source information
Proper name(s) Common name(s) Source information
Source material(s) Part(s) Preparation(s)
Althaea officinalis
  • Marshmallow
  • White-mallow
  • Althaea officinalis Leaf Dried

    References: Proper name: USDA 2018, McGuffin et al. 2000; Common names: USDA 2018, McGuffin et al. 2000, Wiersema and León 1999; Source information: Blumenthal et al. 2000, 1998, BHP 1983, Grieve 1971.

    Route of administration


    Dosage form(s)

    This monograph excludes foods or food-like dosage forms as indicated in the Compendium of Monographs Guidance Document.

    Acceptable dosage forms for the age category listed in this monograph and specified route of administration are indicated in the Compendium of Monographs Guidance Document.

    Use(s) or Purpose(s)

    Claims for traditional use must include the term "Herbal Medicine", "Traditional Chinese Medicine", or "Ayurveda".



    Adults 18 years and older


    Methods of preparation: Dry, Infusion, cold water

    2-15 grams dried leaf, per day; Not to exceed 5 grams per single dose (Mills and Bone 2005)

    Note: Dried leaves should be prepared as a cold infusion (see direction for use).

    Method of preparation: Fluid extract

    2-15 milliliters of dried leaf fluid extract, per day; Not to exceed 5 milliliters per single dose (1:1, in 25% ethanol) (BHC 2006; Blumenthal et al. 2000)

    Method of preparation: Powder

    5 grams powdered dried leaf, per day (BHC 2006; Blumenthal et al. 2000, 1998; BHP 1983)

    Direction(s) for use

    All products

    Take a few hours before or after taking other medications or natural health products (BHC 2006; Mills and Bone 2005; Blumenthal et al. 2000; BHP 1983).

    Dried leaf

    Add dried leaves to 150 ml cold water and let steep for 30 minutes. Stir frequently. Strain and warm (if desired) before drinking (Blumenthal 2000; BHC 1996).

    Duration(s) of use

    No statement is required.

    Risk information

    Caution(s) and warning(s)


    No statement required.

    Known adverse reaction(s)

    No statement required.

    Non-medicinal ingredients

    Must be chosen from the current Natural Health Products Ingredients Database (NHPID) and must meet the limitations outlined in the database.

    Storage conditions

    No statement required.


    References cited

    References reviewed