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Herbs & Cultures
Image of Ashwagandha

Asia · Herb · № 17

Withania somnifera

Region
Asia
Origin
India and parts of the Middle East and Africa
Sanskrit
Ashvagandha
3 traditionsImage: SAplants · CC BY-SA 4.0

Herb · Asia

Ashwagandha

Withania somnifera

An Ayurvedic medicinal plant. Some preparations have been studied for stress and sleep, but evidence is limited and products vary.

Safety notes

May cause drowsiness or stomach upset and has been linked rarely to liver injury. Avoid during pregnancy; interactions include thyroid, diabetes, blood-pressure, sedative, and immune medicines.

Cautions by tradition (3)
  • Herbal medicine worldwide: Serious illnesses such as infections, cancer or hepatitis need a doctor: there is no evidence that this remedy cures them.
  • Ayurvedic materia medica: Serious illnesses such as infections, cancer or hepatitis need a doctor: there is no evidence that this remedy cures them.
  • Herbs for viral infections: Not with diabetes, blood pressure problems, stomach ulcers or autoimmune diseases.

Preparation

Traditionally prepared from root; commercial products include root, leaf, and combined extracts. No dose is provided here.

Use in traditions

NCCIH describes use for thousands of years, especially in Ayurveda.

Applications

Use by tradition

How different herbal traditions describe this herb. Amounts are traditional guidelines checked for obvious errors; they are not medical advice. For poisonous plants no dosage is given on purpose.

Herbal medicine worldwide

Attributed effects

Tonic, strengthens the nerves, calming, anti-inflammatory, antitumour.

Preparation and amount

Root powder 250 mg–1 g per dose (up to 5 g a day in warm, sweetened milk) as a restorative tonic for overwork, exhaustion, sleep problems and weakness; decoction for weakness in pregnancy and for weak children; in milk or with long pepper; wash for wounds; tonic wine for anaemia.

Caution: Serious illnesses such as infections, cancer or hepatitis need a doctor: there is no evidence that this remedy cures them.