Journal of the American College of Nutrition -- Machefer et al. 26 (2): 111 Figure 5

Click on image to view larger version.

Fig. 5. Plasma vitamin C (A) ${alpha}$ -tocopherol (B) and ß-carotene (C) levels in Supplemented ( ${square}$ ) and Placebo ( ${blacksquare}$ ) group at the beginning of the study (D-21), after 19 days of supplementation (D-2), during (D3) and at the end (D7) of the competition. Results are expressed as means as ± SEM where 100 % value represents value at D-21. In each group, the values not sharing the same letter were significantly different at p < 0.05. $ indicated significant differences between P and S group at p < 0.05.