Figure 2

Selected metabolites that change during fast-breaking (a-h) and between week one and four (i). Bile acids are given in ng/ml all other metabolites are given in μM. Time points of sampling are presented on the x-axis and are defined as follows: 1 + 2: collected during first week of Ramadan (blue), 3 + 4 collected during last fourth of Ramadan (red), 5 collected several weeks after Ramadan (green); 1 + 3 fasting between dawn and sun set, 2 + 4 after fast-breaking with identical meal, 5 overnight fasting (for plots of all measured parameters see Additional file 4: Figure S1).