GUNG HO Brain Boost with Cognizin FOCUS MEMORY ENERGY (12 Packets) by | Jul 30, 2026• Proven focus & concentration – formulated with Cognizin® Citicoline. • Cognizin® Citicoline. Water, sucralose, xanthan gum, potassium sorbate, sodium benzoate, natural flavoring. • Ashwagandha (Withania somnifera) root extract.