Metabolic syndrome (MS) is a significant risk factor of cardiovascular disease. The purposes of this study are going to investigate the effects of Graptopetalum paraguayense E. Walther on the oxidative stress, antioxidant enzyme activity and inflammation in subjects with metabolic syndromerelation. The investigators will recruit MS patients(n=50)and the inclusion criteria of MS are according to the Bureau of Health Promotion, Department of Health in Taiwan (2007). The MS subjects are randomly assigned to placebo(n=25) and Graptopetalum paraguayense E. Walther supplements(n=25)groups. Hopefully, the results of this study could provide the information of Graptopetalum paraguayense E. Walther supplements to what has been know in MS subjects.