Study participants
A total of forty-nine New Zealand women aged 55–75 years old who were at least 5 years post-menopause were included in the study. A further inclusion criterion was having a body mass index (BMI) of between 25 and 35 kg/mThis study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving human subjects/patients were approved by the Massey University Human Ethics Committee: Southern A, Application 20/03. Written informed consent was obtained from all subjects/patients. The study was registered with the Australian New Zealand Clinical Trials Registry with the number ACTRN12620000413921p.