359721.fig.001a
(a)
359721.fig.001b
(b)
Figure 1: Vitamins mix (standards prepared in water, 20 ng/μL) analysed under standardised conditions reported in the main text. (a) Real plasma sample obtained from one study participant analysed under standardised conditions reported in the main text. (b) Real plasma sample was spiked with the IS (RT: 11.948).