Figure 4

Effect of L-ornithine supplementation on serum stress markers. Means of the change from 0 weeks of each stress marker level (A, DHEA-S; B, cortisol; C, cortisol/DHEA-S) to 2, 4, and 8 weeks: mean ± SE. White circles (○) indicate the placebo and black circles (●) indicate L-ornithine.