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Effect of Vitamin D on Paraxonase-1, Total Antioxidant Capacity, and 8-Isoprostan in Children With Attention Deficit Hyperactivity Disorder Publisher Pubmed



Mohammadzadeh Honarvar N1 ; Samadi M1 ; Seyedi Chimeh M1 ; Gholami F1 ; Bahrampour N2 ; Jalali M1 ; Effatpanah M3 ; Yekaninejad MS4 ; Abdolahi M1 ; Chamari M1
Authors

Source: International journal of clinical practice Published:2022


Abstract

Method: In this double-blind, randomized, placebo-controlled trial, 75 children (aged 6-12) diagnosed with ADHD were randomly assigned into two groups. The supplementation group received vitamin D3 (2000 IU), and the control group received a placebo for 3 months. Blood samples were collected at baseline and after intervention to analyze the 25(OH)D, paraxonase-1 activity (PON-1), Total Antioxidant Capacity (TAC), and 8-isoprostan levels. Results: A significant rise in circulating 25(OH)D was observed in the vitamin D group versus the placebo group at the end of the study. There was no reduction in 8-isoprostan levels in the vitamin D group compared to the placebo group. Serum paraxonase-1 and TAC concentration decreased in both groups, but these alterations were not statistically significant in the treatment group versus the placebo group at the end of the intervention. Conclusion: Vitamin D supplementation for 3 months did not have beneficial effects on biomarkers of oxidative stress status. To confirm these findings, further studies on children are suggested. Copyright © 2022 Niyaz Mohammadzadeh Honarvar et al.
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