The volunteers, 50 healthy Caucasian (23 men and 27
women) with 57.26 5.24 years and with BMI of
30.59 2.33 kg/m2 were recruited between March and
May of 2012, by advertisements in local newspapers. The
study was carried out in the Metabolic Unit of the University
of Navarra (Spain). The participants gave written
informed consent to participate in the trial. The inclusion
criteria were age (50e80 years), BMI (27.0e35.5 kg/m2)
and to maintain a stable weight (