Increased vitamin B levels in children with zinc deficiency.
Journal:
International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition
Published Date:
Aug 10, 2018
Abstract
Additional nutritional deficiencies may accompany zinc deficiency. We determined the vitamin B levels in patients with zinc (Zn) deficiency. This retrospective study enrolled 256 patients age 6 months to 16 years (176 females and 80 males) in whom Zn levels in hair samples were measured concurrently with serum vitamin B and ferritin levels. For all patients, we retrospectively assessed the hair Zn levels, serum ferritin and vitamin B levels, red blood cell count, hemoglobin, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, and red cell distribution levels. Data were analyzed to determine whether there was a significant difference between any of these parameters and the presence of vitamin B deficiency between patients with and without Zn deficiency. In all 118 patients had Zn levels < 100 μg/g and 138 patients had levels > 100 μg/g. No significant differences were observed in ferritin levels, red blood cell parameters, or presence of iron deficiency or anemia between the two groups ( > 0.05). The median vitamin B level was 323 (range 238-440) pg/mL in the Zn-deficient group and 276 (range 208-382) pg/mL in those with normal Zn levels. Vitamin B levels were significantly higher in the Zn-deficient group (p = 0.02). A significant negative correlation was detected between vitamin B levels and Zn levels (r = -0.17, p = 0.004). Vitamin B levels are higher in patients with Zn deficiency; thus, Zn may have a negative effect on vitamin B levels.
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