Monograph: Horseradish

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Date: 2018-12-18

NHPID name

Armoracia rusticana ( Germplasm Resources Information Network Taxonomy )

Proper name(s)

Armoracia rusticana ( USDA 2008 )

Common name(s)

Horseradish ( McGuffin et al. 2000 , Felter and Lloyd 1983[1898] )

Source material

Root ( Barnes et al. 2007 , Blumenthal et al. 2000 , Grieve 1971[1931] , Wren 1907 )

Route Of administration


Dosage form(s)

Those suited to the allowable route(s) of administration. This monograph is not intended to include food-like dosage forms such as bars, chewing gums or beverages.

Use(s) or purpose(s)

Statement(s) to the effect of:




1 Day per day

See Appendix 1 for examples of appropriate dosage preparations and frequencies of use, according to cited references. The purpose of Appendix 1 is to provide guidance to industry.

Duration of use

Diuretic: For occasional use only.  (Berardi et al. 2002, CPhA 2002)

Risk information

Statement(s) to the effect of:

Caution(s) and Warning(s): Contraindication(s): Do not use this product if you are pregnant, have a kidney disorder, stomach or intestinal ulcers, or stomach inflammation.  (Brinker 2001) Known Adverse Reaction(s): No statement is required

Non-medicinal ingredients

Must be chosen from the current Natural health products ingredients database and must meet the limitations outlined in the database.


References cited

References reviewed

Appendix 1: Examples of appropriate dosage preparations, frequencies of use and directions for use

Fresh root:

2-4 g, 3 times per day (Mills 1985)

Direction for use:

Take before meals (Mills 1985).

Fresh or dried root:

20 g, per day (Blumenthal et al. 2000)


2 g root, several times per day (Blumenthal et al. 2000)

Direction for use:

Pour 150 ml of boiling water over root and infuse for 5 minutes (Blumenthal et al. 2000).


2-4 g dried equivalent, per day (Grieve 1971 [1931]; Wren 1907)


2 g root, per day (Blumenthal et al. 2000)

Direction for use:

Prepare a concentrated infusion by steeping root in 150 ml of boiled water in a covered cup for two hours. Strain and add an equal amount of sugar (150 g) to liquid (150 ml) to thicken (Blumenthal et al. 2000).