Table 2.
Effects of antioxidant supplementation on anthropometric and circulating parameters (mean ± SD)
| No supplements |
VitaminC / vitamin E |
|||
|---|---|---|---|---|
| baseline | 4 weeks | baseline | 4 weeks | |
| Number/sex | 20/male | 20/male | 20/male | 20/male |
| Age | 26.1 ± 3.6 | – | 26.7 ± 2.7 | – |
| BMI, kg/m2 | 24.3 ± 2.1 | 24.2 ± 2 | 23.7 ± 1.7 | 23.5 ± 1.8 |
| Fat mass, % | 13.9 ± 4.5 | 15.1 ± 4.4 | 11.4 ± 6.4 | 11.9 ± 5.6 |
| VO2 max, ml/min/kg | 50.1 ± 6.9 | 50.8 ± 6.4 | 50 ± 7.8 | 51.6 ± 7.6 |
| FPG, mmol/l | 5.1 ± 0.8 | 4.7 ± 0.3 | 4.9 ± 0.9 | 4.6 ± 0.6 |
| FPI, pmol/l | 14.8 ± 7.2 | 10.9 ± 5.6* | 10.5 ± 6.3# | 10.8 ± 5.4 |
| GIR,µmol/kg/min | 108 ± 14 | 116 ± 12*# | 110 ± 12 | 111 ± 11 |
| Leptin, ng/ml | 4.2 ± 2.5 | 4.2 ± 2.2 | 3.7 ± 2.9 | 3.7 ± 2.6 |
| Adiponectin, ng/ml | 13.9 ± 4.4 | 17.4 ± 4.2*# | 13.6 ± 3.9 | 13 ± 3.5 |
| TBARS, pmol/l | 1.7 ± 0.5 | 1.9 ± 0.7 | 1.8 ± 0.6 | 1.5 ± 0.5 |
FPG = Fasting plasma glucose; FPI = fasting plasma insulin; GIR = glucose infusion rate during the steady state of an euglycemic-hyperinsulinemic clamp; TBARS = thiobarbituric acid-reactive substances.
*
p < 0.05 for between group comparisons after 4 weeks.
*
p < 0.05 comparing data before and after 4 weeks of exercise within treatment groups.
#
p < 0.05 comparing the no supplements with the vitamin C / vitamin E group.