Vitamin D supplementation during Antarctic winter
نویسندگان
چکیده
منابع مشابه
Vitamin D supplementation during Antarctic winter.
BACKGROUND Persons with limited exposure to ultraviolet B light, including space travelers, may not receive enough vitamin D. Recent studies indicate that optimal serum 25-hydroxyvitamin D [25(OH)D] should be > or = 80 nmol/L. OBJECTIVE This study was designed to evaluate the effectiveness of 3 doses of vitamin D to raise and maintain 25(OH)D to a concentration >80 nmol/L in persons with limi...
متن کاملVitamin D deficiency and supplementation during pregnancy.
OBJECTIVE Vitamin D is essential for skeletal health and prolonged deficiency results in infantile rickets and adult osteomalacia. The aim of this study is to determine the vitamin D status in pregnancy and to evaluate the effects of daily and of single-dose vitamin D supplementation. DESIGN A prospective randomized study at St Mary's Hospital London. PATIENTS A total of 180 women (Indian A...
متن کاملVitamin D supplementation for women during pregnancy.
BACKGROUND Vitamin D deficiency or insufficiency is thought to be common among pregnant women. Vitamin D supplementation during pregnancy has been suggested as an intervention to protect against adverse pregnancy outcomes. OBJECTIVES To examine whether oral supplements with vitamin D alone or in combination with calcium or other vitamins and minerals given to women during pregnancy can safely...
متن کاملVitamin D supplementation guidelines.
Research carried out during the past two-decades extended the understanding of actions of vitamin D, from regulating calcium and phosphate absorption and bone metabolism to many pleiotropic actions in organs and tissues in the body. Most observational and ecological studies report association of higher serum 25-hydroxyvitamin D [25(OH)D] concentrations with improved outcomes for several chronic...
متن کاملAssessment of adequacy of vitamin D supplementation during pregnancy.
INTRODUCTION Deficiency of vitamin D in pregnancy leads to higher incidences of preeclampsia, gestational diabetes, preterm birth, bacterial vaginosis, and also affects the health of the infants. According to Polish recommendations published in 2009, vitamin D supplementation in pregnant women should be provided from the 2nd trimester of pregnancy in daily dose of 800-1000 IU. The aim of the pr...
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ژورنال
عنوان ژورنال: The American Journal of Clinical Nutrition
سال: 2009
ISSN: 0002-9165,1938-3207
DOI: 10.3945/ajcn.2008.27189