Vitamin A deficiency is widely prevalent amongst women and children in India. The aim of the study is to study the effect of supplementation of micronutrient fortified biscuits on serum total proteins and vitamin A levels of adolescent girls (n = 46, 10-16 years) studying in a government school in Jaipur city, India. The study was designed to be an intervention study. The intervention was with ...

BACKGROUND Little is known about factors that modulate dietary alpha-tocopherol bioavailability. OBJECTIVES The study aimed to assess the efficacy of vitamin E-fortified apples as a low-fat vitamin E delivery system, the influence of fat on vitamin E absorption, and human vitamin E requirements by using plasma alpha-tocopherol kinetics at a dosage of alpha-tocopherol found in food. DESIGN A...

Vitamin D reaches the body from two totally dissimilar sources, first by cutaneous synthesis under the action of ultraviolet light and secondly in the diet. The relative contribution of these sources to human vitamin D nutrition is uncertain; this paper will examine some of the factors which determine their efficacy and the ultimate production of rickets. Our studies have also provided evidence...

Little data exist on vitamin D deficiency related with intake, especially for the Canadian population. The purpose of this study was to develop and evaluate a food frequency questionnaire (FFQ) with 37 items for rapid assessment of vitamin D intake in healthy young adults of diverse ancestry. We recruited 107 subjects in Southern Ontario during the late winter of 2007 who completed an FFQ twice...

Original text: Abstract Recently, countries at high latitudes have updated their vitamin D recommendations to ensure adequate intake for the musculoskeletal health of their respective populations. In 2010, the dietary guidelines for vitamin D for Canadians and Americans aged 1–70 years increased from 5μg/d to 15μg/d, whereas in 2016 for citizens of the UK aged ≥4 years 10μg/d is recommended. Th...

OBJECTIVE To analyze the seasonal variations in calcidiol and parathyroid hormone serum levels along a natural year in a paediatric population living in a region of the north of Spain considering a normal nutrition status. DESIGN A cross-sectional study. SETTING Navarra Hospital Complex, Pamplona, Spain. PARTICIPANTS A total of 413 Caucasian individuals (aged 3.1 to 15.4 years): 227 schoo...

The greatest cause of fracture in older people is osteoporosis which contributes to increased morbidity and mortality in older people. A number of meta-analyses have been performed assessing the effectiveness of calcium supplementation alone, vitamin D supplementation alone and the combined therapy on bone loss and fracture reduction in older people. The results of these meta-analyses indicate ...

Abstracts: Adequate intakes of fat-soluble vitamins are essential to support the growth and development of the foetus, the neonate, and the young child. By means of an online self-administered frequency questionnaire, this study aimed to evaluate the intake of vitamins A, D, E, and K in Belgian infants (n = 455), toddlers (n = 265), pregnant women (n = 161), and lactating women (n = 165). The c...