Monograph: Ashwagandha

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Date: 2019-02-25

NHPID name

Withania somnifera ( Germplasm Resources Information Network Taxonomy )

Proper name(s)

Withania somnifera ( USDA 2008 )

Common name(s)

Source material

Root ( API 2001 )

Route Of administration

Oral ( API 2001 )

Dosage form(s)

Those suited to the allowable route(s) of administration.

Use(s) or purpose(s)

Statement(s) to the effect of:




2 - 6 Grams per day, dried root

Duration of use

No statement is required

Risk information

Statement(s) to the effect of:

Caution(s) and Warning(s): Contraindication(s): Consult a healthcare practitioner/health care provider/health care professional/doctor/ physician prior to use if you are pregnant or breastfeeding.  (Upton 2000, McGuffin et al. 1997) Known Adverse Reaction(s): Some people may experience drowsiness. Exercise caution if operating heavy machinery, driving a motor vehicle or involved in activities requiring mental alertness.

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