Changes in fasting plasma glucose ( -@ @ vs. +@ @ mg/dL , P < @ ) , serum insulin concentration ( -@ @ vs. +@ @ IU/mL , P = @ ) , homeostasis model of assessment-estimated insulin resistance ( -@ @ vs. +@ @ , P < @ ) , homeostasis model of assessment-estimated - cell function ( -@ @ vs. +@ @ , P = @ ) , and the quantitative insulin sensitivity check index ( +@ @ vs. -@ @ , P = @ ) in supplemented women were significantly different from those in women in the placebo group .