Rootwork

Guduchi / Giloy

Tinospora cordifolia

MenispermaceaeIndian subcontinent (India, Sri Lanka, Myanmar); also tropical parts of China and Australia

Description

overall appearance

Large, deciduous climbing vine reaching 10–30 m in length, clinging to host trees with aerial roots. Stems are succulent, fleshy, and conspicuously papery-corky with distinctive lenticels. One of the most celebrated Ayurvedic herbs, called 'Amrita' (divine nectar) in classical texts for its rejuvenating properties.

roots

Extensive adventitious aerial roots hanging from stems; cord-like, fleshy; long tap roots in soil; white-cream color; produce mucilage when cut

stem

Fleshy, succulent, gray-green to brownish stems with distinctive papery, whitish, membranous bark peeling in thin layers; circular lenticels prominent; 0.5–2.5 cm diameter; contain starch-rich pith

leaves

Cordate (heart-shaped), 10–20 cm long and 8–15 cm wide; membranous and soft; bright green; long petioles 8–16 cm; 5–7 prominent palmate veins from base; alternate

flowers

Small, dioecious, greenish-yellow flowers 3–4 mm; female flowers solitary; male flowers in racemes 2–5 cm long; appear in summer

fruits/seeds

Small drupes in clusters; orange-red when ripe, 6–8 mm; pea-sized; 1 seed per drupe; curved horseshoe-shaped seed 5–7 mm

Active Compounds

Diterpenoids: tinosporide, tinosporidine, columbin, tinosporinAlkaloids: berberine, palmatine, magnoflorine, jatrorrhizine, tembetarine, cholineGlycosides: tinosporaside, cordifolide, cordiosidePolysaccharides: arabinogalactan (immunomodulatory activity), syringinSteroids: β-sitosterol, δ-sitosterol, 20β-hydroxyecdysoneLactones: furanolactone clerodane diterpenes (tinosporol)Sesquiterpenes: tinocordiosidePhenolics: apigenin, luteolin, syrngaresinol

Traditional Uses

  • Ayurveda: Rasayana (rejuvenator) and Tridosha-balancing herb; classified as bitter tonic and immunomodulator in Charaka Samhita
  • Ayurvedic treatment for chronic fever, malaria, and typhoid; Sanskrit name 'Jwarghna' means fever destroyer
  • Traditional treatment for diabetes (Madhumeha) in Ayurveda; used continuously for thousands of years
  • Ayurvedic liver tonic and treatment for jaundice, viral hepatitis, and liver disorders
  • Rheumatoid arthritis treatment in Ayurveda (Amavata); anti-inflammatory and analgesic
  • Immune system support in HIV/AIDS patients in Indian integrative medicine
  • Urinary tract infections and urinary calculi in Ayurvedic practice
  • Post-infectious convalescence tonic; rebuilds strength after chronic illness in traditional Indian medicine

Modern Applications

  • Immunomodulation: arabinogalactan activates macrophages, dendritic cells, and NK cells; increases phagocytic activity 3–5 fold in vitro; standardized extracts used in immunotherapy protocols in India
  • Antidiabetic: multiple animal studies show 30–40% blood glucose reduction; inhibits α-glucosidase and improves insulin sensitivity; small RCT in type 2 diabetics showed significant HbA1c reduction
  • Anti-inflammatory: columbin and tinosporide inhibit COX-2, NF-κB, and TNF-α; comparable to prednisolone in carrageenan edema model in rats
  • Hepatoprotection: standardized extract shows hepatoprotection against aflatoxin, paracetamol, and CCl4; used clinically in India for viral hepatitis
  • Antioxidant: SOD, catalase, and GPx induction; significant DPPH radical scavenging
  • Antimalarial: tinosporide, columbin active against Plasmodium falciparum in vitro; used as adjunct to antimalarial therapy
  • Neuroprotection: berberine and palmatine reduce Aβ aggregation and neuroinflammation in Alzheimer's animal models
  • COVID-19 adjunct therapy: ayush-64 formulation containing guduchi used in Indian ICMR-approved COVID trials; modestly reduced recovery time

⚠️ Safety Information

Contraindications

  • Autoimmune diseases (lupus, MS, RA): immunostimulant activity may exacerbate autoimmune flares
  • Pregnancy and lactation: insufficient safety data; immunological effects contraindicate use
  • Pre-surgical period: discontinue 2 weeks before surgery; may interfere with blood glucose control under anesthesia
  • Constipation: mild laxative activity; use cautiously in patients prone to loose stools

Side Effects

  • Hypoglycemia especially when combined with antidiabetic medications
  • Constipation or loose stools depending on individual constitution and dose
  • Case reports of autoimmune hepatitis following guduchi supplementation (possible immune-mediated hepatotoxicity); FDA alert issued 2023
  • Mild headache and sedation in sensitive individuals

Drug Interactions

  • Immunosuppressants (cyclosporine, mycophenolate, corticosteroids): immunostimulant activity directly opposes these medications
  • Antidiabetics (insulin, metformin, sulfonylureas): significant additive hypoglycemic effect; monitor blood glucose
  • Anticoagulants (warfarin, heparin): antiplatelet activity may increase bleeding risk
  • Lithium: potential alteration in renal clearance; monitor lithium levels

Parts Used

  • Stems (primary use — most potent part)
  • Roots
  • Leaves
  • Starch extract from stems (Giloy satva)

Preparation Methods

Stem decoction (Kwath): 15–30 g fresh stem or 3–6 g dried in 400 mL water, reduced to 100 mL; 50 mL twice daily

Standardized aqueous extract (polysaccharides 5%): 300–900 mg twice daily

Giloy Satva (starch extract): 0.5–1 g with honey or warm water twice daily

Tincture (1:5, 40% ethanol): 3–5 mL three times daily

Powder (churna): 3–6 g/day with warm water

Fresh stem juice: 10–20 mL twice daily (most bioavailable traditional form)

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Disclaimer: For educational purposes only. This is not medical advice. Always consult a qualified healthcare provider.