[HTML][HTML] High prevalence of low dietary calcium, high phytate consumption, and vitamin D deficiency in healthy south Indians

CV Harinarayan, T Ramalakshmi, UV Prasad… - The American journal of …, 2007 - Elsevier
Background: Data on the vitamin D status of the population in a tropical country such as
India have seldom been documented. Vitamin D deficiency is presumed to be rare …

The relation of dietary vitamin C intake to bone mineral density: results from the PEPI study

SL Hall, GA Greendale - Calcified tissue international, 1998 - Springer
Ascorbic acid is a required cofactor in the hydroxylations of lysine and proline necessary for
collagen formation; its role in bone cell differentiation and formation is less well …

Association between vitamin D and bone mineral density in Iranian postmenopausal women

F Hosseinpanah, M Rambod, A Hossein-nejad… - Journal of bone and …, 2008 - Springer
The role of vitamin-D in determining bone mineral density (BMD), especially in less severe
vitamin D deficiency, is still unclear. To investigate the possible association between 25 …

Low serum concentrations of 25-hydroxyvitamin D in young adult Japanese women: a cross sectional study

K Nakamura, M Nashimoto, S Matsuyama… - Nutrition, 2001 - Elsevier
OBJECTIVES: The vitamin D nutrition status of young adult women is unclear, but a recent
preliminary report suggested that they may have vitamin D insufficiency. This study …

[HTML][HTML] Health risks and benefits from calcium and vitamin D supplementation: Women's Health Initiative clinical trial and cohort study

RL Prentice, MB Pettinger, RD Jackson… - Osteoporosis …, 2013 - Springer
Abstract Summary The Women's Health Initiative (WHI) double-blind, placebo-controlled
clinical trial randomly assigned 36,282 postmenopausal women in the US to 1,000 mg …

Serum 25-hydroxyvitamin D concentrations of New Zealanders aged 15 years and older

JEP Rockell, CM Skeaff, SM Williams… - Osteoporosis international, 2006 - Springer
Introduction Vitamin D plays an important role in bone health. Our purpose was to measure
serum 25-hydroxyvitamin D concentrations and their determinants in a national sample (n …

[HTML][HTML] Magnesium status and supplementation influence vitamin D status and metabolism: results from a randomized trial

Q Dai, X Zhu, JAE Manson, Y Song, X Li… - The American journal of …, 2018 - Elsevier
Background Previous in vitro and in vivo studies indicate that enzymes that synthesize and
metabolize vitamin D are magnesium dependent. Recent observational studies found that …

Calcium and vitamin D

RP Heaney, CM Weaver - Endocrinology and Metabolism …, 2003 - endo.theclinics.com
Calcium and vitamin D constitute the foundation of any preventive or therapeutic regimen for
osteoporosis. This is because bone is 50% mineral by volume and because maintenance or …

[HTML][HTML] Optimal vitamin D status and serum parathyroid hormone concentrations in African American women

JF Aloia, SA Talwar, S Pollack, M Feuerman… - The American journal of …, 2006 - Elsevier
Background: Optimal vitamin D status for the prevention of osteoporosis has been inferred
from examinations of the serum 25-hydroxyvitamin D [25 (OH) D] concentration below which …

Determinants of vitamin D status in a general population of Danish adults

B Thuesen, L Husemoen, M Fenger, J Jakobsen… - Bone, 2012 - Elsevier
BACKGROUND AND AIMS: Danish legislation regarding food fortification has been very
restrictive and vitamin D deficiency is thought to be common in Denmark due to inadequate …