The steroid hormone vitamin D is required for normal calcium and phosphorus metabolism
and is thus an important contributor to musculoskeletal health. Recent data have linked low …

Background Since the 1997 Dietary Reference Intake (DRI) values for vitamin D and calcium
were established new data have become available on their relationship, both individually …

Supplemental vitamin D is available in 2 distinct forms: ergocalciferol (vitamin D 2) and
cholecalciferol (vitamin D 3). Pharmacopoeias have officially regarded these 2 forms as …

Context: In humans, few studies have compared the potencies of ergocalciferol and
cholecalciferol in improving and maintaining vitamin D status. Objective: Our objective was …

Purpose There is considerable variation in incremental circulating 25-hydroxyvitamin D
(25OHD) levels on vitamin D supplements, even when similar age groups and identical …

Background: Vitamin D deficiency has been associated with adverse health outcomes.
Purpose: To systematically review benefits and harms of vitamin D screening in …

Context: Few studies in subjects over 50 yr of age have evaluated the influence of variable
doses of vitamin D supplementation on serum 25-hydroxyvitamin D levels. Objective: We …

/Objectives: Mushrooms contain very little or any vitamin D 2 but are abundant in ergosterol,
which can be converted into vitamin D 2 by ultraviolet (UV) irradiation. Our objective was to …

This article gives an overview of the current knowledge on vitamin D status in patients with
congestive heart failure (CHF). A serum 25-hydroxyvitamin D level below 50 nmol/l (20 …

Abstract Background/Objectives Optimal doses of vitamin D (VitD) supplement in different
populations are unclear. We aim to evaluate the relationship between VitD supplementation …