Nhat Nhat Pharmaceutical Co.，Ltd

The purpose of this study is to evaluate the effectiveness of Hoat Huyet Nhat Nhat on the reduction of common symptoms related to the insufficient blood supply to the brain such as headache, vertigo, dizziness, sleep disorders and forgetfulness; compared with Gingko Biloba Egb761 (Tanakan) after 45 days of treatment

The purpose of this study is to evaluate the efficacy TONKA on the reduction of ALT and AST in moderate to severe liver enzyme elevated patients; compared with Silymarin (Legalon) after 6 weeks of treatment.