Herbal Supplement Jamun-Karela Juice gives you the great befit of karela and Jamum in one juice. Jamun has lower calories as compared to other fruits It is a good source of iron. Karela (Bitter gourd) Juice is enriched with goodness of Calcium, Potassium, Magnesium, Vitamin B1, B2, B3 and C. Health benefits of Jamun-Karela Juice • • Treatment of mouth ulcers . • Purifies blood to prevent kidney problems . • Improve digestive system. • Maintain healthy lever function. • Reduce chances of cancer in mouth and intestine system.