Herbal Hills Organic Jambu beej Powder. Jambu seed is a traditional herb considered to help in healthy blood sugar management due to its astringent property. Herbal Hills Jamun Powder is the Ayurvedic substitute for Sugar Control. Our production unit at Lonavala, processes Jamun seed powder by utilizing supreme grade Jamun seeds under the utmost favorable conditions to ensure its purity. Jambu seeds support the liver functions and also possess anti-oxidant property. They help promote the working of the digestive system. Jambu has been found useful in promoting the functions of the pancreas.