Analysis of blood plasma for selected metabolite concentrations after 4 weeks of dietary MDS. Data are presented as box and whisker plot (n = 8–9). Open and gray boxes represent data from C and HF mice, respectively, and open lined and gray lined boxes represent data from CMS and HFMS mice, respectively. Different subscript letters indicate statistical significance (p < 0.05). Gly, Glycine; Hcy, reduced (total) l-homocysteine; Met, l-methionine; Sar, Sarcosine; Ser, l-serine.