3.2. Effects of Exercise and Vitamin D on Serum 25(OH)D Concentrations and Glycemic Control Indicators
Serum 25(OH)D concentrations were significantly increased in the EX + VD and VD groups, but they were not altered in the EX and Con groups (During the OGTT, compared with basal values, the levels of fasting glucose were relatively lower at five time points after EX + VD, VD, and EX interventions for 12 weeks. Opposite effects were seen for insulin concentrations. Such changes were not observed in the Con group (