Statistical analysis phase 1 The mean values of the physical, biochemical and metabolic variables and area under the curve (AUC) of metabolites and hormones of children who have taken LibramedR will be compared with Student's t test for two-tailed unpaired data with those children who have taken the placebo, or with non-parametric test, if specified. Postprandial metabolic and hormonal parameter changes in the two groups will be compared with ANOVA repeated measures.