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Effect of Food and Vitamin D Supplements on the Serum 25(OH)D3 Concentration in Children during Winter Months

机译：食物和维生素D补充剂对冬季儿童血清25（OH）D 3 浓度的影响

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Aim: To determine the contribution of food and vitamin D supplements on the serum 25-hydroxyvitamin D3 (25(OH)D3) concentration between October and April in a northern country (almost absent vitamin D synthesis by sunlight). Methods: Children aged 1–18 years were selected who visited the general pediatrician with a complaint whereby serum 25(OH)D3 concentration was determined. The intake of vitamin D was calculated based on a dietary questionnaire. Results: 51.1% of the 174 children had a serum 25(OH)D3 concentration below 50 nmol/L, 9.2% had a serum 25(OH)D3 concentration below 30 nmol/L. Adolescents showed lower concentrations compared to younger children. There was a positive correlation between the total amount of vitamin D obtained from food and the serum 25(OH)D3 concentration (r = 0.218, p = 0.004). The intake of milk contributed more to the serum 25(OH)D3 concentration compared to the intake of artificial supplementation, butter or fish. Conclusions: In the absence of vitamin D synthesis by sunlight, vitamin D obtained from food has a significant influence on the serum 25(OH)D3 concentration in children. Vitamin D supplements can be described as trivial. This means we should pay more attention to food as a natural source of vitamin D.
机译：目的：确定北部地区在10月至4月之间食物和维生素D补充剂对血清25-羟基维生素D 3 （25（OH）D 3 ）浓度的贡献国家（几乎没有阳光下的维生素D合成）。方法：选择一名年龄在1-18岁之间的儿童，他们带着抱怨去看了儿科医生，从而确定了血清25（OH）D 3 的浓度。维生素D的摄入量是根据饮食调查表计算得出的。结果：174名儿童中有51.1％的血清25（OH）D 3 浓度低于50 nmol / L，9.2％的儿童的血清25（OH）D 3 浓度低于30 nmol / L。与幼儿相比，青少年的浓度较低。从食物中获取的维生素D总量与血清25（OH）D 3 浓度呈正相关（r = 0.218，p = 0.004）。与人工添加黄油或鱼相比，摄入牛奶对血清25（OH）D 3 的贡献更大。结论：在缺乏阳光下维生素D合成的情况下，从食物中获取维生素D对儿童血清25（OH）D 3 的浓度具有显着影响。维生素D补充剂可谓微不足道。这意味着我们应该更加注意食物中的天然维生素D。

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