• Cherifa Akrour-Aissou, Thierry Dupré, Jean Paul Grangaud, and Mustapha Kamel Assami.
• Laboratory of Human Nutrition, National High School of Agronomy, Algiers, Algeria. Electronic address: aissou_ch@yahoo.fr.
• J. Steroid Biochem. Mol. Biol. 2020 Feb 1; 196: 105487.

AbstractVitamin D deficiency is a public health problem around the world. In Algeria, the nutritional situation is still subject to uncertainties. In order to evaluate the vitamin D status and to know the impact of the current vitamin D supplementation model on the circulating levels of 25 (OH) D, an investigation was conducted on a group of Algerian children. The study was conducted in the Blida region (Northern Algeria). Sampling focused on 150 healthy children, aged between 1 and 23 months old, recruited from Ben Boulaïd hospital pediatric ward. 83% of children (n = 125) have been supplemented with vitamin D (D3 B.O.N®) according to a scheme currently designed in Algeria (the first intake of 200 000 IU at 1 month and the second intake of 200 000 IU at 6 months). 17% of children (n = 25) have escaped from a supplementation. The average values of 25(OH) D are respectively: 51 ± 20 μg/L for 103 supplement children with vitamin D (25 (OH)D ≤ 100 μg/L), 222 ± 106 μg/L for 22 supplement children with vitamin D (25(OH) D > 100 μg/L) and 30 ± 16 μg/L for 25 non-supplement children with vitamin D. The prevalence of vitamin D deficiency is lower (4%) among the children group with vitamin D supplement. These results show that the vitamin D supplementation model seems entirely efficient on the improvement of vitamin D status.Copyright © 2019 Elsevier Ltd. All rights reserved.

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