Health Canada
Symbol of the Government of Canada
Drugs and Health Products

Monograph: Ashwagandha

Help on accessing alternative formats, such as Portable Document Format (PDF), Microsoft Word and PowerPoint (PPT) files, can be obtained in the alternate format help section.



Date: 2007-04-18

NHPID Name

Withania somnifera (USDA 2008)

Proper Name(s)

Withania somnifera (L.) Dunal (Solanaceae) ( 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:

Dose(s)

Adults:

Preparation: Dry, Powder, Decoction & Infusion + All Non-Standardised Extracts

Dose(s): 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):
No statement is required

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.

Specifications

  • The finished product specifications must be established in accordance with the requirements described in the NHPD Quality of Natural Health Products Guide.
  • The medicinal ingredient must comply with the requirements outlined in the Natural Health Products Ingredient Database (NHPID).

References cited

  • API 2001: The Ayurvedic Pharmacopoeia of India, 1st edition, Part I, Volume I. Delhi (IN): Government of India, Ministry of Health and Family Welfare, Department of Indian Systems of Medicine & Homoeopathy.
  • Berardi RR, DeSimone EM, Newton GD, Oszko MA, Popovich NG, Rollins CJ, Shimp LA, Tietze KJ, editors. Handbook of Nonprescription Drugs: An Interactive Approach to Self-Care, 13th edition. Washington (DC): American Pharmaceutical Association; 2002.
  • Gennaro AR, editor. Remington: The Science and Practice of Pharmacy, 20th edition. Washington (DC): Lippincott Williams and Wilkins; 2000
  • Kapoor LD. Handbook of Ayurvedic Medicinal Plants: Herbal Reference Library. Boca Raton (FL): CRC Press; 2001
  • Khare CP. Indian Herbal Remedies: Rational Western Therapy, Ayurvedic and Other Traditional Usage, Botany. New York (NY): Springer; 2004
  • Khory RN, Katrak NN.1999 [1903]. Materia Medica of India and Their Therapeutics. Delhi (IN): Komal Prakashan; [Reprint of 1903 publication].
  • McGuffin M, Hobbs C, Upton R, Goldberg A, editors. 1997. American Herbal Products Association's Botanical Safety Handbook. Boca Raton (FL): CRC Press.
  • McGuffin M, Kartesz JT, Leung AY, Tucker AO, editors. 2000. Herbs of Commerce, 2nd edition. Austin(TX): American Herbal Products Association.
  • Nadkarni AK, Nadkarni KM. India Materia Medica with Ayruvedic, Unani-Tibbi, Siddha, Allopathic, Homeopathic, Naturopathic & Home Remedies, Volume 1, 3rd edition. Bombay (India): Popular Book Depot; 1954
  • Sukh Dev. Prime Ayurvedic Plant Drugs. Tunbridge Wells (UK): Anshan; 2005
  • Upton R, editor. American Herbal Pharmacopoeia and Therapeutic Compendium: Ashwagandha Root (Withania somnifera) - Standards of Analysis, Quality Control, and Therapeutics. Santa Cruz (CA): American Herbal Pharmacopoeia; 2000
  • USDA 2008: ARS, National Genetic Resources Program. Germplasm Resources Information Network (GRIN). National Germplasm Resources Laboratory, Beltsville (MD). [Accessed 2008-01-21]. Available at http://www.ars-grin.gov/cgi-bin/npgs/html/tax_search.pl
  • Williamson EM, editor. 2002. Major Herbs of Ayurveda. London (UK): Churchill Livingstone.