2.4. Ethical Considerations
OXIDATIVE STRESS
This study is part of a larger research project registered at ClinicalTrials.gov (NCT04252105) focusing on the impact of an antioxidant-rich kindergarten diet on oxidative stress in healthy children. It was conducted following the principles of the Declaration of Helsinki concerning ethical principles for medical research involving human subjects. Ethical approval was granted by the Medical Ethics Committee of the Republic of Slovenia (No. 0120-66/2019/8). Participation in this study was entirely voluntary, and the parents or guardians of all participants provided their informed consent prior to participation.