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Herb library • Ayurveda

Guduchi (Giloy)

A classical Rasayana for fevers, immunity, gout (Vatarakta) and skin conditions, widely used during COVID-19.

Tinospora cordifolia · Giloy, Amrita

Quick facts

Quick facts about Guduchi (Giloy)
Botanical nameTinospora cordifolia
Other namesGiloy, Amrita
Part usedStem
Common formsStem decoction or juice; Guduchi satva; tablets; part of many formulations.
Hands gathering fresh herbs and lemongrass into a woven basket
Correct identification, clean growing conditions and careful processing matter as much as the herb itself. Choose licensed products that name the plant and part used.

Ayurvedic properties

Ayurveda describes every herb by its taste (rasa), qualities (guna), potency (virya), post-digestive effect (vipaka) and effect on the doshas.

Ayurvedic properties of Guduchi (Giloy)
Taste (rasa)Bitter, astringent
Qualities (guna)Heavy, unctuous
Potency (virya)Heating
After digestion (vipaka)Sweet
Effect on doshasBalances all three

Traditional uses

  • Recurrent fevers
  • Gout and joint inflammation (Vatarakta)
  • Skin disorders
  • Blood sugar

These are uses described in Ayurvedic practice; they are not all supported by clinical research.

What research shows

Small studies only; claims of immune benefit are not established by good-quality trials.

Safety

Avoid or ask a doctor first if you have:
  • Liver disease
  • Autoimmune diseases (it may stimulate the immune system)
  • Pregnancy
  • Before surgery

Possible interactions

  • Diabetes medicines — risk of low blood sugar
  • Immunosuppressants

Side effects

In 2020–21, Indian hepatologists reported a series of liver injuries in people taking Giloy. Part of the problem may have been misidentified plants — Tinospora crispa looks similar and is known to harm the liver. Buy only licensed, correctly identified products and avoid high doses or long unsupervised use.

Stop and seek medical advice if you develop yellow eyes or skin, dark urine, a rash, or feel unwell after starting any herbal product.

Buying safely

  • Buy licensed products whose label shows the manufacturer's name and address, an AYUSH licence number, batch number and expiry date.
  • Prefer products that name the botanical species and the part used.
  • Be wary of products promising cures, “no side effects”, or rapid results — some have been found to contain hidden steroids or other drugs.
  • Tell every doctor and pharmacist about all the herbal products you take.
  • Report side effects through the Ministry of Ayush pharmacovigilance programme. See our Ayurvedic medicine safety guide.

Please note: this page is general education, not medical advice. Take herbal medicines only on the advice of a qualified practitioner who knows your health and your other medicines.