Currently, acute viral hepatitis (AVH) management is based on diet and rest and silymarin remains among the most popular herbs being used for treating viral hepatitis both in the U.S. and abroad. Although numerous randomized clinical trials have been conducted to assess the efficacy of silymarin on chronic hepatitis C, very few studies were done to assess the efficacy of silymarin in acute viral hepatitis. Among those, efficacy of silymarin has not been established. This could be attributed to the small number of studies conducted, small sample sizes, high drop out rates, and low doses of silymarin used. Therefore, it is justified to evaluate silymarin safety and efficacy using higher doses than previously studied in AVH.