Natural Leaves That May Help Lower Blood Sugar — What Science Says (Page 2 ) | August 23, 2025

• 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.

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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.