Background Previous meta-analyses of randomized controlled trials (RCTs) of vitamin D
supplementation and total cancer incidence and mortality found inconsistent results, and …

Objective To investigate whether vitamin D supplementation is associated with lower
mortality in adults. Design Systematic review and meta-analysis of randomised controlled …

In the recent years, both the prescriptions of serum 25 (OH) D levels assay, and vitamin D
supplementation are constantly increasing, as well as the costs to be incurred relating to …

To evaluate the effect of vitamin D 3 supplementation on cancer mortality in the general
population and on prognosis in cancer patients, a systematic review and meta-analysis of …

Vitamin D testing and treatment is a subject of controversial scientific discussions, and it is
challenging to navigate through the expanding vitamin D literature with heterogeneous and …

Observational studies, randomized controlled trials (RCTs), and Mendelian randomization
(MR) studies have yielded inconsistent results on the associations of vitamin D …

Dietary supplements are products containing nutrients sold in various medicinal forms, and
their widespread use may stem from the conviction that a preparation that looks like a drug …

Simple Summary It has been questioned whether vitamin D supplements can reduce the
mortality and incidence of tumors. In this systematic review and meta-analysis of 12 …

Vitamin D deficiency is the main cause of nutritional rickets in children and osteomalacia in
adults. There is consensus that nutritional access to vitamin D can be estimated by …

Background Observational studies have suggested associations of vitamin D deficiency
(VDD) with respiratory tract infections, impaired bone health, and myriad chronic diseases …