Medicinal plants have been an integral part of traditional healthcare systems worldwide for centuries, with Ayurveda representing one of the oldest systems of medicine to incorporate their therapeutic use. These natural resources contain a diverse range of bioactive compounds with considerable therapeutic potential.
Giloy (Tinospora cordifolia), commonly known as Amrita or Guduchi, holds an important place in Ayurvedic medicine owing to its rich array of secondary metabolites. The leaves of Giloy have traditionally been used in the management of various ailments, including diabetes, rheumatism, jaundice, and skin disorders. Given its longstanding traditional use and the growing interest in natural therapies, increasing research attention has been directed towards exploring the potential therapeutic applications of Giloy leaves and elucidating the mechanisms underlying their medicinal effects.1
Pharmacological potential of Tinospora cordifolia
- Antidiabetic activity: T. cordifolia and its alkaloids, including palmatine, jatrorrhizine, and magnoflorine, have demonstrated insulin-mimicking, insulin-releasing, and antihyperglycaemic effects. Proposed mechanisms include improved glucose uptake, inhibition of gluconeogenesis and intestinal glucose absorption, and antioxidant activity.
- Immunomodulatory and anti-inflammatory activity: Its phytoconstituents have enhanced macrophage phagocytosis and NO/ROS production while reducing pro-inflammatory cytokines such as IL-1β, TNF-α, IL-6, and IL-17.
- Anticancer activity: Extracts and isolated compounds have shown antiproliferative, cytotoxic, pro-apoptotic, antiangiogenic, and chemopreventive effects in various in-vitro and in-vivo models.
- Hepatoprotective activity: Extracts have demonstrated protective effects, with improvements in biochemical markers of liver function.
- Cardioprotective activity: Animal studies have reported protection against myocardial infarction, cardiotoxicity, arrhythmia, and cadmium-induced cardiac injury, potentially through antioxidant and calcium-channel-modulating effects.
- Antioxidant activity: T. cordifolia has demonstrated free-radical-scavenging activity and improved antioxidant markers, including GSH, SOD, catalase, and lipid peroxidation.
- Anti-arthritic and anti-osteoporotic activity: Studies have reported reduced inflammatory cytokines, inflammation, and bone damage, along with stimulation of osteoblast activity and protection against bone loss in experimental models.
- Neuroprotective activity: Extracts have shown antioxidant, memory-enhancing, cognitive, antidepressant, and neuroprotective effects in experimental models, including models of Parkinson's disease.
- Anti-stress and anti-allergic activity: Experimental studies suggest potential benefits against stress-related cognitive changes and allergic responses, including mast-cell-mediated reactions and allergic rhinitis.
- Antimicrobial activity: Various phytoconstituents and extracts have demonstrated antibacterial, antifungal, and antimycobacterial activity in experimental studies.
- Other activities: Potential effects have also been reported in leprosy, ulcers, depression, diarrhoea, asthma, infertility, HIV-related conditions, and toxin-induced organ injury.2
Moreover, Giloy leaf extract has also been reported to alleviate various gastrointestinal complaints, including acidosis, gastroenteritis, parasitic infections, loss of appetite, stomach discomfort, excessive thirst, and nausea. In addition, it has been traditionally used for the management of liver-related conditions, including hepatitis.
Clinical relevance of Giloy
Clinical studies have demonstrated the therapeutic potential of T. cordifolia in several conditions.
- In patients with type 2 diabetes (T2D), leaf and stem extracts significantly improved glycaemic control and reduced blood glucose, cholesterol, triglycerides, and β-lipoprotein levels.
- Ayurvedic formulations such as Guduchi Ghana and Guduchi Satva also exhibited hypoglycaemic effects, with Guduchi Ghana showing greater efficacy, while additional studies supported its anti-diabetic activity and benefits in diabetic wound healing.
- T. cordifolia further displayed immunomodulatory effects, improving immune function and haematological parameters in patients with obstructive jaundice and HIV.
- In chronic alcoholics, aqueous stem extracts demonstrated hepatoprotective, antioxidant, anti-stress, and lipid-lowering activities, suggesting potential benefits against alcohol-induced disorders and hyperlipidaemia.
- Moreover, polyherbal formulations containing T. cordifolia improved glycaemic and lipid profiles in T2D patients.
Overall, there is an enormous scope for the utilisation of the properties of T. cordifolia extracts in various formulations and food products. However, the sensory characteristics of food products, particularly flavour and appearance, should not be adversely affected by their incorporation. Since a strong bitter taste may be imparted by the active constituents of T. cordifolia, as is common with many herbal medicines, a thorough investigation of alternative methods for bitterness removal is critically required for juices, powders, and extracts derived from this plant. Therefore, several challenges need to be addressed before its incorporation into different formulations can be achieved effectively.3
Conclusion
Tinospora cordifolia (Giloy) is a valuable medicinal plant with a broad spectrum of pharmacological activities, including antidiabetic, immunomodulatory, anti-inflammatory, hepatoprotective, antioxidant, neuroprotective, and cardioprotective effects. Evidence from both experimental and clinical studies highlights its potential in the management of metabolic disorders, immune-related conditions, liver diseases, and other chronic ailments. Its rich phytochemical composition and long history of traditional use make it a promising candidate for the development of therapeutic formulations and functional foods.
References:
- Singh J, Saxena E, Chaudhary AR, et al. Immunomodulatory properties of Giloy (Tinospora cordifolia) leaves and its applications in value-added products. Heliyon. 2024;11(1):e40948. Published 2024 Dec 7. doi:10.1016/j.heliyon.2024.e40948 https://pmc.ncbi.nlm.nih.gov/articles/PMC11699423/#sec10
- Gupta A, Gupta P, Bajpai G. Tinospora cordifolia (Giloy): An insight on the multifarious pharmacological paradigms of a most promising medicinal ayurvedic herb. Heliyon. 2024;10(4):e26125. Published 2024 Feb 15. doi:10.1016/j.heliyon.2024.e26125 https://pmc.ncbi.nlm.nih.gov/articles/PMC10882059/#sec8
- Siddiqui S, Jadaun S, Anusha R, et al. Medicinal importance of Tinospora cordifolia (Willd.) Miers and its possible use in food industry for value addition. Discover Food. 2025;5(1):357. doi:10.1007/s44187-025-00239-9. https://link.springer.com/article/10.1007/s44187-025-00652-8#Sec19