Figure 1.

Individual subject data for plasma vitamin C concentration (A) and for fat energy (B) and protein energy (C) expended during submaximal exercise in vitamin C depleted (placebo capsule daily; n = 3) and vitamin C repleted (500 mg vitamin C capsule daily; n = 5) subjects at week 4 (pre-intervention) and week 8 (post-intervention). Means (± SE) are shown in black bars; *p < 0.05; **p = 0.062 (independent t-test)