Following an overnight fast , @ healthy individuals ( Gender : @M :@ F , with mean SD , age : @ @ years , BMI : @ @ kg/m ( @ ) and fasting plasma glucose : @ @ mmol/L ) randomly received @g of each of the following @ different ginseng treatments on separate visits : whole root KRG and AG ; @ % , @ % or @ % ethanol extracts of KRG and AG and @ cornstarch placebos .