10 Surprising Health Benefits Of Guava Leaves Digestive Health: Guava leaves promote gut health, aid digestion, and relieve constipation. Blood Sugar Level: Guava leaves stabilise glucose levels and prevent spikes in blood sugar. Boost the immune system: Rich in vitamin C and antioxidants, guava leaves strengthen your immune system. Reduce Cancer Risk: Antioxidants in guava leaves may reduce the risk of cell damage leading to cancer. Heart Health: Guava leaves lower bad cholesterol and improve good cholesterol. Eyesight: Vitamin A in guava leaves supports eye health and sharpens vision. Anti-Stress: Guava leaves have stress-relieving properties that promote mental well-being. Weight Loss: Guava leaves boost metabolism and aid in weight management. Menstruation Pain: Guava leaves may relieve menstrual pain and discomfort. Hair and Skin: Guava leaves treat skin conditions and promote hair growth and quality.