Fig. 1

Each diet phase spanned 1 week, separated by a 1-week washout. Eligible participants were randomly assigned to one of two intervention groups: LF2MetD which followed the low-fat (LF) diet first and the Mediterranean (MetD) diet second, or MetD2LF which followed the MetD diet first and the LF diet second. Participants completed “pre” and “post” assessments for both diet phases. The main outcome was the change (post-pre) in outcomes following each diet phase