With her concern, Vietnam has forests of medicinal herbs, how to exploit optimally? NKH and Prof. Dr. Dai Duy Ban have continued to research bio alkaline from herbs. Prof. Dr. Dai Duy Ban has supported guidelines and policies for research and NKH was the direct practitioner. Finally, NKH has extracted several natural compounds such as Alkaloids, Saponins, Polyphenols, Polysaccharides, Terpenoids...