Herbarium · Vitality

AshwagandhaAśvagandhā

Ashwagandha (Aśvagandhā) is the classical rasayana for a depleted nervous system — taken at night with warm milk for restless sleep, low energy and chronic stress.

Common name: Ashwagandha
Sanskrit (IAST): Aśvagandhā
Latin botanical: Withania somnifera
Form: Herb / Powder (Choorna)
Category tags: VitalityRestorative · Grounding

Ashwagandha for sleep

When sleep is broken by a racing mind, light body and cold feet, that is a Vāta pattern. Ashwagandha powder (¼–½ tsp) in warm milk with a pinch of nutmeg, an hour before bed, is the most quoted classical pairing. Pitta-type insomnia (4 a.m. wakings, heat, irritation) responds better to Brahmi or Shatavari — see cautions below.

Overview & dosha effects

Pacifies Vata and Kapha; may aggravate Pitta in excess.

Traditional uses

The following are traditional Ayurvedic uses documented in classical texts and modern materia medica — not therapeutic claims for the treatment of disease.

·Traditionally used for chronic stress and adrenal fatigue^[1]
·Traditionally used for insomnia and anxiety^[2]
·Traditionally used for low energy, muscle weakness^[3]
·Traditionally used for reproductive vitality^[1]

How it is taken

1/4 to 1/2 tsp (1–3 g) of root powder with warm milk and honey, once or twice daily. Capsules: 300–600 mg standardized extract.

Classical text references

^[1]Charaka SaṃhitāCikitsāsthāna 1.1 (Rasāyana)
Aśvagandhā listed among rasāyana dravyas that promote longevity and strength.
^[2]Suśruta SaṃhitāSūtrasthāna 38
Grouped with balya (strength-giving) herbs.
^[3]Bhāvaprakāśa NighaṇṭuGuduchyādi Varga
Detailed dravyaguṇa: rasa (kaṣāya, tikta), vīrya (uṣṇa), vipāka (madhura).

Modern research

Contemporary clinical and pharmacological reviews (see references) explore Ashwagandha's role in the areas where Ayurveda has traditionally used it. Evidence quality varies; treat single studies with caution and prefer systematic reviews.

Safety notes — read before use

Contraindications

As with all traditional herbs, avoid in active flare-ups of the condition you're treating and in anyone with a known allergy to the plant family. Stop and seek medical advice if you develop rash, breathing changes, swelling, digestive upset or any new symptom after starting.

✕Pregnancy — classical texts list it as abortifacient in high doses
✕Hyperthyroidism or Graves' disease — may further raise T4
✕Active autoimmune flares (lupus, RA, MS) — immunostimulant action
✕With sedatives, benzodiazepines, or barbiturates without supervision
✕Acute Pitta conditions: gastritis, peptic ulcers, hyperacidity

Pregnancy & breastfeeding

Do not use in pregnancy or while breastfeeding without direct supervision by a qualified Ayurvedic practitioner and your GP or obstetrician. Many Ayurvedic herbs have not been studied in pregnancy and traditional cautions apply.

Drug interactions

May interact with prescription medications — especially blood thinners, blood pressure and diabetes medications, sedatives, thyroid hormones, immunosuppressants and drugs metabolised by the liver. Always share a complete list of herbs and supplements with your doctor and pharmacist.

Specific to Ashwagandha: May cause drowsiness, mild GI upset, or thyroid hormone elevation with long-term use.

Allergies

Belongs to the Solanaceae (nightshade) family — those with nightshade sensitivity (tomato, eggplant, potato) should avoid or use cautiously.

This is educational information, not a prescription. Consult a qualified Ayurvedic practitioner (vaidya) and your GP before starting any herb, especially if you are pregnant or breastfeeding, under 18, over 65, take prescription medication, have a chronic condition or are scheduled for surgery.

Classical alternatives

For Pitta-aggravated or ulcer patients, classical practitioners substitute Shatavari or Vidari (Pueraria tuberosa) for similar rasayana action without the heat.

References

[1]Charaka Saṃhitā, Cikitsāsthāna 1.1 (Rasāyana) — Aśvagandhā listed among rasāyana dravyas that promote longevity and strength.
[2]Suśruta Saṃhitā, Sūtrasthāna 38 — Grouped with balya (strength-giving) herbs.
[3]Bhāvaprakāśa Nighaṇṭu, Guduchyādi Varga — Detailed dravyaguṇa: rasa (kaṣāya, tikta), vīrya (uṣṇa), vipāka (madhura).
[4]Memorial Sloan Kettering · About Herbs (Ashwagandha) ↗
[5]Banyan Botanicals · Ashwagandha monograph ↗
[6]PubMed · Withania somnifera clinical reviews ↗
[7]Ayurvedic Pharmacopoeia of India · Vol I ↗

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