Apocynaceae
Gymnema
Gymnema sylvestre
✓ Generally Safe
Caution in Pregnancy
Native to: India, tropical Africa, Australia
Also known as: Sugar Destroyer, Gurmar, Cowplant
Wikimedia Commons / CC BY-SA
Parts Used
Leaf
Therapeutic Uses
Type 2 diabetes (multiple RCTs — reduces HbA1c and fasting glucose), sugar cravings, obesity, metabolic syndrome. Unique: blocks sweet taste receptors for up to 2 hours after chewing leaves.
Herbal Actions
Antidiabetic (reduces sugar absorption, regenerates beta cells), appetite suppressant (blocks sweet taste), hypolipidemic
Active Constituents
Gymnemic acids (saponin glycosides — primary actives), gurmarin peptide, gymnemosides, flavonoids, anthraquinones
Preparation Methods
💊 Capsule🏺 Tincture☕ Herbal Tea
Traditional Preparation Notes
| Herbal Tea | 2 tsp dried leaf per 250ml, steep 10 min, 2–3x daily |
| Tincture | 4–6 ml (1:5, 40% ethanol), 3x daily before meals |
| Notes | Standardized extract (25% gymnemic acids): 400mg 2x daily with meals. Chew fresh leaf before meals to block sugar absorption. Effects on beta cell regeneration require 12–18 months. Monitor blood glucose. |
Safety Information
Safety Rating
✓ Generally Safe
Pregnancy
Caution in Pregnancy
Drug Interactions
⚠ Known interactions
Contraindications: Avoid in pregnancy. Significant interaction with antidiabetic medications — additive hypoglycemia. Monitor blood glucose closely when starting.
Side Effects: Hypoglycemia (with diabetes meds). Altered taste for sweet foods. GI discomfort. Generally well tolerated.