Ashwagandha

Also known as: Withania somnifera, Indian Ginseng, Asgandh

System: AyurvedaClass: Rasayana (Rejuvenative), AdaptogenComposition: Root Of Withania SomniferaPrescription: OTC (AYUSH Licensed)Essential medicine (NLEM): No

Traditional use – check with a registered AYUSH practitioner; buy only AYUSH-licensed products.

Ashwagandha is one of the best-known Ayurvedic herbs, traditionally used as a rasayana for strength, stress and sleep. Some small clinical studies suggest benefit for stress and sleep; larger studies are still needed.

Common brands

  • Himalaya Ashwagandha
  • Dabur Ashwagandha Churna
  • Patanjali Ashwagandha

Dosage forms

  • Churna (powder)
  • Capsule
  • Tablet
  • Arishta

Uses

  • Stress and anxiety (traditional and some clinical use)
  • Sleep support
  • General weakness
  • Muscle strength

How it works

Ayurveda describes it as balancing Vata and Kapha; studies suggest effects on the stress hormone cortisol.

How to take

Commonly taken as powder with warm milk or as capsules, as directed by an Ayurvedic doctor.

Common side effects

  • Stomach upset
  • Drowsiness
  • Loose stools

Serious side effects — get medical help

  • Rare reports of liver injury
  • Can raise thyroid hormone levels

Who should not take it

  • Pregnancy
  • Hyperthyroidism
  • Autoimmune disease (seek advice)
  • Before surgery (stop 2 weeks prior)

Interactions

  • Sedatives
  • Thyroid medicines
  • Immunosuppressants
  • Diabetes and BP medicines

Pregnancy & breastfeeding

Avoid in pregnancy; insufficient data in breastfeeding.

Alcohol & driving

May cause drowsiness; avoid with alcohol.

Storage

Store in a cool, dry place.

Used for these conditions

Prescribed by

Brands available in India

Frequently asked questions

What is Ashwagandha used for?

Stress and anxiety (traditional and some clinical use), Sleep support, General weakness, Muscle strength

What are the side effects of Ashwagandha?

Stomach upset, Drowsiness, Loose stools

How should I take Ashwagandha?

Commonly taken as powder with warm milk or as capsules, as directed by an Ayurvedic doctor.

Who should not take Ashwagandha?

Pregnancy, Hyperthyroidism, Autoimmune disease (seek advice), Before surgery (stop 2 weeks prior)

Medically reviewed by

Medical review pending

Last updated

9 October 2026

Sources

  • Ayurvedic Pharmacopoeia of India, Ministry of AYUSH
  • Ayurvedic Formulary of India
  • NCCIH herb fact sheets

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.