2.维生素D及钙、磷摄入不足 人体日常大约每日需400~800国际单位维生素D,但婴儿每天从人乳、牛乳、蛋黄、肝等食物中得到的维生素D很小超过100IU,人乳中含维生素D0.4~10.0UI/d1,牛乳含0.3~4.0IU/d1,各类水果和蔬菜中含量也极少,远不能满足正常需要,因此必须于生后第二个月起另外添加维生素D,若未及时添加则很...
第一节 维生素D缺乏(Vitamin D deficiency disease) 一、维生素D的的正常代谢和调节 维生素D是脂溶性维生素,现认为它具有激素的性质,但其在未经机体有关系统处理前,不论内源性者(胆骨化醇),或从食物中摄取的D2和D3(麦角骨化醇),均不具生物活性,它们须在肝细胞骨先经25-化酶系统作用,使其转变为25-羟基胆骨...
A vitamin D deficiency means you don't have enough of this vitamin in your body. You need vitamin D to grow and maintain your bones. You could be at risk for deficiency if you don't get enough sunlight on your skin, you have a disorder that reduces your body's ability to absorb it...
Vitamin D Deficiency is Widely Prevalent in South Asian Patients with Inflammatory Bowel Disease: 1553Boyd, CatrionaLimdi, JimmyOfficial journal of the American College of Gastroenterology | ACG
Vitamin D Deficiency Test: Diasorin provides a comprehensive range of immunoassays for the diagnosis of vitamin D deficiency related metabolic diseases.
Vitamin D deficiency is measured with a blood test that measures 25(OH)D. This is the form of D3 that has undergone conversion by the liver; although it is still inactive and requires further conversion by the kidneys to active vitamin D3, 1,25(OH)D. ...
12 Hence, a poor vitamin D status indicates an increased CV risk, but it remains to be determined whether vitamin D deficiency is the cause or the consequence. In this context, the possibility of reverse causation should be considered, that is, the fact that heart disease-associated ...
Vitamin D deficiency is measured with a blood test that measures 25(OH)D. This is the form of D3 that has undergone conversion by the liver; although it is still inactive and requires further conversion by the kidneys to active vitamin D3, 1,25(OH)D. ...
Vitamin D deficiency is more common than you might expect. People who don't get enough sun, especially people living in Canada and the northern half of the US, are especially at risk. However, even people living in sunny climates might be at risk, possibly because people are staying indoors...
Vitamin A Deficiency also results in the growing inability of a body to fight against different types of infections. This results in various diseases. The deficiency of vitamin A severely affects the growth of their bones and also their overall body growth. ...