... applied to all kind of healthy products ,medicine. What is Gamma amino butyric acid (GABA) 1. Catalytically converted from glutamic acid ... tea, beverages and milk products. 3. as the natural ingredients used in coffee, chocolate, apple juice, cocoa, yogurt, milk sugar, butter ... , bread, instant noodles and other functional food and drinks. GABA (Gamma Amino butyric acid )