If you have a vitamin D deficiency, you may wonder whether it is better to take vitamin D2 or D3 supplements. While vitamin D2 and D3 both increase vitamin D in the body, research shows that vitamin D3 is more effective. Vitamin D3 is more easily absorbed by the body and helps sus...
vitamin D2vitamin D3The role of vitamin D in supporting the growth and maintenance of the skeleton is robust; with recent research also suggesting a beneficial link between vitamin D and other non-skeletal health outcomes, including immune function, cardiovascular health and cancer. Despite this, ...
The circulating levels of 25-hydroxyvitamin D (mean+/-sd) increased to the same extent in the groups that received 1000 IU daily as vitamin D2 (baseline 16.9+/-10.5 ng/ml; 11 wk 26.8+/-9.6 ng/ml), vitamin D3 (baseline 19.6+/-11.1 ng/ml; 11 wk 28.9+/-11.0 ng/ml), or a ...
A method for the determination of vitamin D2 and vitamin D3 in fortified milk powders and infant and adult nutritional formulas is described. Samples are s... D Brendon,Gill,A Grant,... - 《Journal of Aoac International》 被引量: 0发表: 2016年 Analysis of Vitamin D2 and Vitamin D3 ...
BACKGROUND: Current unitage for the calciferols suggests that equimolar quantities of vitamins D(2) (D2) and D(3) (D3) are biologically equivalent. Published studies yield mixed results. OBJECTIVE: The aim of the study was to compare the potencies of D2 and D3. DESIGN: The trial used...
Metabolism of vitamin D3 in human osteoblasts: Evidence for autocrine and paracrine activities of 1α,25-dihydroxyvitamin D3 Circulating 1伪,25-dihydroxyvitamin D3 (1,25D) derives from renal conversion of 25-hydroxyvitamin D3 (25D), by the 25D 1伪-hydroxylase (CYP27B1). Blood 25D... Ge...
Step outside on a sunny day, and you can soak up some free vitamin D — the sunshine vitamin. Vitamin D is vital to healthy bones and your immune system.
ERGOCALCIFEROL;VITAMIN D;CALCIFEROL;Calderol;VitaMin D2-d3;Drisdol;Doral;Crtron;Deltalin;Sterogyl CBNumber: CB3731934 Molecular Formula: C28H44O Molecular Weight: 396.65 MDL Number: MFCD00166988 MOL File: 50-14-6.mol MSDS File: SDS
Vitamin D2 is not safe with a serum 25(OH)D2 higher than 50 ng/ml, and the IOM board said as much. However, they did not distinguish between D3 and D2 which is a huge mistake. There does not appear to be any toxicity with vitamin D3 under 200 ng/ml of 25(OH)D3. So, ...
颜色whitetoyellowish 目前已知的维生素D至少有10种,但最重要的是维生素D2(麦角骨化醇)和维生素D3(胆钙化醛)。维生素D2是由紫外线照射植物中的麦角固醇产生,但在自然界的存量很少。维生素D3则由人体表皮和真皮内含有的7--脱氢胆固醇经日光中紫外线照射转变而成。维生素D2的安全性优于维生素D3。