The Giloy (Guduchi) Explained

The vine known as giloy (Tinospora cordifolia), also called guduchi, is a large, twining climber with heart-shaped leaves that has been used in Ayurveda for centuries. It grows wild across the tropical and sub-tropical parts of India, often winding up trees, and its fleshy stems are traditionally valued as an immunity-supporting rasayana, or rejuvenating tonic.

Giloy became widely talked about in India during the COVID-19 period, when it was popularly discussed as an immunity herb, but its use in Indian tradition is far older. This explainer describes what giloy looks like, where it grows, how it is cultivated, what its traditional uses are, and what safety points readers should know. Ayurvedic uses described here are traditional claims and not proven medical advice; consult a qualified doctor or registered Ayurvedic practitioner before using any herbal product. Content was last reviewed on 23 October 2026.

Key Takeaways

• Giloy is the common name of Tinospora cordifolia, a climbing vine of the moonseed family (Menispermaceae) that is native to India and nearby countries.
• In Sanskrit giloy is called guduchi or amrita, and in Ayurveda the stem of the plant is classed as a rasayana, or rejuvenating tonic.
• The giloy vine has heart-shaped leaves, greenish succulent stems with warty bark, and thread-like aerial roots that hang from its branches.
• Giloy is propagated mainly by stem cuttings and is easy to grow in warm regions, which has made home and farm cultivation common across India.
• Traditional uses of giloy, such as for fever and immunity, are Ayurvedic claims and should not be treated as proven medical treatments.
• People with liver conditions, autoimmune disease or diabetes, and pregnant women, should consult a qualified doctor before using giloy because some reports have linked giloy preparations to liver problems.

What is giloy?

Giloy is a perennial, deciduous climbing vine, Tinospora cordifolia, whose stem is a well-known herb in Ayurveda. It belongs to the Menispermaceae family and is native to the tropical and sub-tropical regions of the Indian subcontinent, extending into Sri Lanka, Myanmar and nearby areas.

The Sanskrit name guduchi is commonly explained as meaning “that which protects the body”, and another Sanskrit name, amrita, means nectar or the elixir of life. In Hindi and several other Indian languages the plant is called giloy, gurcha or gulvel. English names include heart-leaved moonseed and Indian tinospora.

Giloy is one of the commonly cited herbs in classical Ayurvedic works, where it features in formulations for fever and as a rejuvenating tonic. Its popularity has grown strongly in modern times, and today it is available as stem pieces, powders, juices, tablets and extracts.

What does the giloy plant look like?

The giloy plant is a vigorous twining climber with heart-shaped leaves and fleshy, greenish stems. The vine can reach considerable length as it climbs over trees and fences, and old stems may become thick and woody.

• Leaves: Simple, alternate, broadly heart-shaped with a pointed tip and smooth edges, deep green and somewhat glossy.
• Stem: Succulent and green when young, with thin, papery grey-brown bark that becomes rough and warty with raised, lenticel-like spots as it ages.
• Aerial roots: Long, thread-like roots that hang from branches and may reach the ground to take root.
• Flowers: Small, yellowish-green flowers that appear in clusters on leafless branches, usually in summer.
• Fruit: Small, fleshy drupes that turn orange to bright red when ripe and grow in clusters.

The plant is dioecious, meaning separate plants bear male and female flowers. Giloy is hardy, tolerates a wide range of soils and sheds many of its leaves in the dry season.

Where does giloy grow in India?

Giloy grows wild across most of tropical and sub-tropical India, in deciduous forests, hedgerows and field boundaries up to roughly 1,000 metres in altitude. It is commonly seen scrambling up large trees, rocks and fences in villages and forest edges.

It is cultivated in many states, with commercial and home cultivation occurring in Maharashtra, Karnataka, Gujarat, Uttar Pradesh, Madhya Pradesh, Kerala and Tamil Nadu, among others. Many households keep a giloy vine as a backyard plant. Because the plant roots easily from cuttings, it spread rapidly in kitchen gardens and balcony pots during years of high demand.

In the wild, giloy is often found growing on neem trees. Popular belief holds that giloy grown on neem is more potent, and it is sold as “neem giloy” in some markets. This idea comes from folk tradition and is not an established scientific finding.

How is giloy cultivated?

Giloy is cultivated mainly from stem cuttings planted in warm, moderately moist, well-drained soil with a support for climbing. It can also be grown from seed, but cuttings are faster and more reliable.

Planting

Cuttings of mature stems, usually 15 to 20 cm long with a few nodes, are planted at the start of the monsoon or in spring. They root within a few weeks, and young plants are trained on trellises, poles or trees.

Care

Giloy needs moderate watering, light organic manure and occasional pruning to keep it manageable. It grows well in full sun to partial shade and tolerates dry spells once established. Pests are few, although leaf-eating insects and fungal spots may appear in damp conditions.

Harvest

Stems are harvested after the plant has matured, usually after the first year or two, by cutting vines back while leaving the base to regrow. The stems are cut into pieces and sun-dried or used fresh. Processing may also yield “giloy satva”, a starch-like extract traditionally prepared from the stem.

What are the traditional uses of giloy?

In Ayurveda, giloy is traditionally used as a rasayana and as a remedy for recurring fevers, digestive disturbances and general weakness. These descriptions belong to a traditional knowledge system and should not be read as proven medical treatments.

• Fever (jwara): Giloy is a classic ingredient in traditional decoctions for fevers, which is why it is sometimes called jwarari.
• Immunity and vitality: The stem is described as a rejuvenating and immunity-supporting tonic.
• Digestion: Traditional preparations are used for sluggish digestion and acidity.
• Metabolic balance: Ayurvedic texts mention it in formulations for conditions associated with sugar metabolism, though modern use requires medical supervision.
• Skin and joints: Traditional compounds use giloy in preparations for skin conditions and joint discomfort.

Common forms include fresh stem juice (swarasa), decoction (kwatha), dried stem powder (churna), satva and tablets (ghanvati). Many Ayurvedic compounds combine giloy with other herbs such as tulsi, ginger and neem.

What compounds are found in giloy?

Giloy contains alkaloids, diterpenoid lactones, glycosides, steroids and polysaccharides. Berberine and palmatine are alkaloids reported from the stems, while compounds such as tinosporaside and columbin are among the other constituents identified by researchers.

These chemicals are associated with the bitter taste of the stem, which is one of the properties traditional texts highlight. Research has explored properties such as immune-modulating and anti-inflammatory activity, mainly in laboratory and animal studies, with limited human clinical evidence. The findings are not yet conclusive, and no health claim should be accepted without medical advice.

How does giloy compare with other Ayurvedic climbers and tonics?

Giloy is one of several well-known Ayurvedic herbs, and each differs in plant type, part used and traditional association. The table below compares giloy with related herbs.

Giloy is also traditionally combined with other herbs, for example in the classical Ayurvedic preparation known as Sanshamani Vati, which is based on giloy.

Is giloy safe to use?

Giloy is generally used in small amounts in tradition, but safety depends on the individual, the dose and the product, and some caution is advised. Mild effects such as constipation or stomach upset have been reported, and people have also reported reactions after taking high doses over long periods.

Some case reports have linked giloy preparations to liver injury, particularly when taken in large amounts or for a long time, and Indian health authorities and medical bodies have discussed these cases. People with liver disease, autoimmune conditions or diabetes, those taking immunosuppressants or blood-sugar medicines, and pregnant or breastfeeding women should consult a doctor before using it. Anyone awaiting surgery should also seek advice.

Correct identification is also important, because a few other climbers resemble giloy. Buying from reliable sources, following label directions and consulting a registered Ayurvedic practitioner are the safest approach.

Why does giloy matter in Indian culture and agriculture?

Giloy matters because it is a widely recognised medicinal climber that connects traditional knowledge with household gardening and rural income. It is easy to grow, needs little care and has found a place in village hedgerows, home gardens and organised medicinal-plant farming.

The surge in demand has also raised concerns about overharvesting from the wild and about adulteration or misuse. Cultivation, good agricultural practices and quality standards help protect wild stocks and give consumers more reliable products. Government bodies such as the National Medicinal Plants Board (NMPB), set up in 2000, and the Ministry of AYUSH support research, cultivation and conservation of herbs like giloy.

How is giloy prepared and sold today?

Giloy is prepared and sold today as fresh stem pieces, juice, dried powder, tablets, capsules, satva and standardised extracts. Ayurvedic pharmacies, herbal brands and local vendors all offer it, and fresh stems are also sold in vegetable markets and nurseries in some cities.

Quality varies widely. Genuine giloy stems have a bitter taste and a greenish, succulent interior, while poorly processed or adulterated products may contain fillers or the wrong plant. Dried material should be clean, free of mould and stored away from moisture.

In traditional practice, preparations are matched to the person by a practitioner, and doses are not the same for everyone. Home-made decoctions and juices therefore differ from standardised products, which is another reason to seek professional advice.

What is the place of giloy in Ayurveda?

Giloy holds a place in Ayurveda as one of the principal rasayana herbs, grouped with those considered to renew and strengthen the body over time. In the Ayurvedic framework, its taste is described as bitter and astringent, with a warming potency, and it is said to balance all three doshas, namely vata, pitta and kapha.

Its Sanskrit names, such as amrita, madhuparni and chinnaruha, reflect its reputation and its habit of regrowing from cut stems. Classical glossaries list many synonyms for the plant. These descriptions form part of a traditional system, and modern use is best guided by a registered practitioner.

Bottom Line

Giloy is a hardy Indian climbing vine whose stem has a long traditional role in Ayurveda as a tonic and fever remedy. Its uses are traditional rather than proven, and careful sourcing and medical advice are important before taking it.

Frequently Asked Questions

What is giloy?

Giloy is a climbing vine, Tinospora cordifolia, whose stem is used as a traditional tonic in Ayurveda. It is also called guduchi or amrita and has heart-shaped leaves and thread-like aerial roots.

Is giloy the same as guduchi?

Yes, giloy and guduchi are two names for the same plant, Tinospora cordifolia. Guduchi is the Sanskrit name used in Ayurvedic texts, while giloy is the common Hindi name.

Which part of giloy is used?

The stem is the main part of giloy used in Ayurveda, either fresh as juice or dried as powder, decoction or tablets. Leaves and roots are used less often in some preparations.

Where does giloy grow in India?

Giloy grows wild in tropical and sub-tropical forests, hedges and field boundaries across India up to about 1,000 metres. It is also cultivated in many states and commonly grown in home gardens.

Does giloy really boost immunity?

Giloy is traditionally described in Ayurveda as an immunity-supporting rasayana, but this is a traditional claim and not a proven medical fact. Research is limited and mixed, so anyone interested should consult a qualified doctor or Ayurvedic practitioner.

Who should avoid giloy?

People with liver problems, autoimmune diseases or diabetes, those on related medicines, and pregnant or breastfeeding women should avoid giloy unless a doctor advises otherwise. Some reports have linked giloy products to liver injury, so medical guidance is important.

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