Short-chain fructo-oligosaccharides improve magnesium absorption in adolescent girls with a low calcium intake

Consumption of fructo-oligosaccharides (FOS) has been shown to improve mineral absorption in the short term, but no long-term effects were studied in girls with a low calcium intake. Therefore, we hypothesized that short- and long-term consumption of short-chain FOS (sc-FOS) improves calcium and magnesium absorption in girls with a low habitual...

Long-term consumption of isoflavone-enriched foods does not affect bone mineral density, bone metabolism, or hormonal status in early postmenopausal women: A randomized, double-blind, placebo controlled study

Background: Osteoporosis is a major health problem. It was hypothesized that isoflavone-containing products may be a potential alternative to hormone replacement therapy for preventing bone loss during the menopausal transition. Objective: The objective was to investigate whether the consumption of isoflavone-enriched foods for 1 y affects bone...

Voeding als wapen tegen osteoporose: het belang van voedsel als bron van calcium en vitamine D

Chemicals/CAS: calcitriol, 32222-06-3, 32511-63-0, 66772-14-3; calcium, 7440-70-2; ergocalciferol, 50-14-6, 50809-47-7, 8042-78-2; parathyroid hormone, 12584-96-2, 68893-82-3, 9002-64-6

Vitamin B-12 status is associated with bone mineral content and bone mineral density in frail elderly women but not in men

Subclinical vitamin B-12 deficiency is common in the elderly. Encouraged by early indications, we investigated the plasma vitamin B-12 status in association with bone mineral content (BMC) and bone mineral density (BMD) in frail elderly people. Data of 194 free-living Dutch frail elderly (143 women and 51 men) were available. BMC and BMD were...

Dietary 135-fold cholecalciferol supplementation severely disturbs the endochondral ossification in growing dogs

The effects of excessive non-toxic dietary Vitamin D3 supplementation on Ca homeostasis with specific effects on endochondral ossification and skeletal remodeling were investigated in a group of growing Great Dane dogs supplemented with cholecalciferol (Vitamin D3; HVitD) versus a control group (CVitD) (1350 μg versus 11.4 μg Vitamin D3 per...

Vitamin D status, parathyroid hormone and sunlight in Turkish, Moroccan and Caucasian children in the Netherlands

At the end of the winter circulating concentrations of 25-hydroxyvitamin D (25-OHD) in Asian and Mediterranen immigrants in northwestern European countries are usually very low. This may lead to vitamin D deficiency and eventually to rickets. Children are more prone to develop vitamin D deficiency. The vitamin D status of 8-year-old Turkish,...

Calcium metabolism in sarcoidosis: A follow-up study with respect to parathyroid hormone and vitamin D metabolites