- Traditional use: Widely used in Ayurveda and traditional Chinese medicine
- How it may help: Contains mangiferin, a compound shown to improve insulin sensitivity and reduce fasting blood glucose
- Study: A 2013 study in Nutrition & Metabolism found mango leaf extract significantly lowered blood sugar in diabetic rats
- How to use: Steep dried, crushed mango leaves in hot water for 10 minutes (mango leaf tea)
⚠️ Not a substitute for diabetes medication — use as a complementary support.
2. Guava Leaves (Psidium guajava)
- Traditional use: Common in Southeast Asia and Latin America
- How it may help: May slow sugar absorption in the gut and reduce post-meal blood sugar spikes
- Study: A 2004 study in Nutrition and Metabolism found drinking guava leaf tea lowered blood glucose in people with type 2 diabetes
- How to use: Boil fresh or dried leaves for 5–10 minutes; drink 1 cup daily before meals
✅ Also supports digestion and reduces bloating.
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