Cultivation
How it's grown.
Ashwagandha is suited to warm, relatively dry environments and well-drained soils. Growing conditions, geography and agricultural practices can influence botanical raw materials.
Deep Dive
Ashwagandha
Withania somnifera
Explore the botanical identity, history, cultivation, traditional use, naturally occurring compounds and modern research surrounding one of Ayurveda's best-known plants.
Meet the Plant
A resilient herb
with a long history.
Ashwagandha (Withania somnifera) is a small shrub belonging to the nightshade family, Solanaceae. Its root is the plant part most commonly associated with traditional use and modern dietary supplements, although preparations can vary.
Quick Facts
Botanical Name
Withania somnifera
Family
Solanaceae
Common Name
Ashwagandha
Plant Part
Commonly the root
Traditional System
Ayurveda
Studied Constituents
Withanolides
Origin
A plant adapted
to dry environments.
Ashwagandha is associated particularly with South Asia and also occurs across parts of the Middle East and Africa. It can grow in relatively dry conditions and is now cultivated commercially in multiple regions.
History
A longstanding place
in Ayurveda.
Ashwagandha has a long history within Ayurveda, the traditional medical system that developed in South Asia. Historical use provides important cultural context, but traditional use and evidence from modern clinical research are different forms of information and should not be treated as interchangeable.
Harvesting
From field to root.
The plant is harvested and selected material is cleaned, dried and prepared for use as botanical material or for further processing into an extract.
Root vs. Leaf
Different plant parts.
Root and leaf are chemically distinct botanical materials. The root is commonly used in traditional preparations and many supplements, while some extracts may include other plant parts.
Plant to Extract
Turning a plant
into an ingredient.
Ashwagandha may be sold as dried root powder or processed into extracts. Extraction and standardization affect the chemical profile of the resulting ingredient.
What's Inside
Withanolides
and more.
Ashwagandha contains numerous naturally occurring phytochemicals. Withanolides are among the constituents most frequently discussed and measured in modern extracts.
Why It's Studied
From tradition
to investigation.
Researchers have investigated ashwagandha preparations across several areas of human health. Findings need to be interpreted according to the specific extract, dose, population and outcome studied.
Modern Research
A growing body
of evidence.
Clinical studies do not all use the same preparation. Whole-root powders, standardized extracts and root-and-leaf preparations should not automatically be treated as equivalent.
Forms + Research Doses
Not every form
is equivalent.
Ashwagandha is available as powders, capsules and extracts. Research doses vary substantially because preparations can differ in concentration and composition.
Quality
What to look for.
Look for clear identification of the botanical species and plant part, transparent extract information where applicable, and appropriate testing for identity, purity and contaminants.
Safety
Know the considerations.
Ashwagandha may not be appropriate for everyone and can cause adverse effects or interact with certain medications or health conditions. Pregnancy, medication use and existing medical conditions warrant professional guidance before use.
Continue Exploring
Discover other ingredients in our Deep Dives.