• Seyhan Taskin Department of Physiology, Faculty of Medical, Harran University, Turkey
  • Hakim Celik Department of Physiology, Faculty of Medical, Harran University, Turkey
  • Seniz Demiryurek Department of Physiology, Faculty of Medical, Gaziantep University, Turkey
  • Abdullah Taskin Department of Nutrition and Dietetics, Faculty of Health Sciences, Harran University, Turkey



Exercise, Creatine, Thiol Disulfide Homeostasis, Oxidative Stress


The importance of supplements used with exercise is increasing day by day. In this study, it was aimed to evaluate the effects of creatine monohydrate (CrM) supplementation with different intensities of exercise on oxidative stress through dynamic thiol disulfide homeostasis. Fourty two BALB/c mice were used and randomly divided into 6 groups; control (C), low-intensity exercise (LIE), high-intensity exercise (HIE), C+CrM (4% of daily diet), LIE+CrM, and HIE+CrM groups. Exercise groups were performed low-intensity (8m/min/30min/day) and high-intensity (24m/min/30min/day) exercise on a mouse treadmill for 8 weeks. At the end of the experimental period, the thiol disulfide homeostasis levels analyzed by using a new automated measurement technique. When the native thiol and total thiol values were examined the difference between the groups was statistically significant (respectively, p=0.029, p=0,035). Creatine intake with exercise decreased native thiol and total thiol levels. However, serum disulfide levels were lower in LIE+CrM compared to other study groups, but there was no statistically significant difference. It is thought that creatine supplementation with exercise reduces the thiol-disulfide homeostasis burden of the organism, and that after the depletion of creatine stores, the sustainability of oxidant-antioxidant homeostasis can be extended, thus prolonging the duration of antioxidant resistance.


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