It has been recognized that practitioners become confused and tend to misunderstand vitamin D testing. There are two major options to test for vitamin D deficiency: 1,25-dihydroxyvitamin D and 25-hydroxyvitamin D. 1,25-dihydroxyvitamin D is the active form of vitamin D and this is the main r...
The active forms of vitamin D—calcitriol, paricalcitol, and doxercalciferol—which also are known as vitamin D receptor activators (VDRAs), have been largely used in nephrology only as a treatment for secondary hyperparathyroidism, an elevation in parathyroid hormone (PTH) due to renal failure....
Relatively unheard of 100 years ago when people regularly spent time outdoors (regardless of the temperature or weather conditions!) vitamin D deficiency is quickly becoming an epidemic. According to the National Institute of Health (NIH),hypovitaminosisD(low vitamin D levels), including signs of ...
So how do you get more vitamin D? And how do you know if you need more in the first place? Here’s what you need to know about getting enough vitamin D, and the best ways to get more. How to know if you need more vitamin D Vitamin D deficiency happens when you don’t have en...
Vitamin D deficiency: Common causes include vitamin D deficiency in food, low sunlight exposure, and digestive system diseases that lead to vitamin D deficiency. When vitamin D is lacking, calcium and phosphorus are less absorbed from the intestines, leading to lower blood calcium and phosphorus. ...
Vitamin D deficiency linked to weight gain A recent study looked at over 200 overweight and obese women who were dieting over a period of 12 months. Half of the women received a vitamin d supplement while the others didn’t. Researchers found that women who took the supplement were more ...
Phenylketonuria is due in the very great majority of cases to a deficiency in phenylalanine hydroxylase, an enzyme whose cofactor is biopterin. Prenatal screening consists in measuring the concentration of phenylalanine in a sample of dr... J Frézal,JP Farriaux - 《La Revue Du Praticien》 被...
Vitamin D deficiency is extremely common and research is showing that it may be associated with a variety of conditions. Here's how low vitamin D affects you and what you can do about it.
Which form of the vitamin (vitamin D2 or D3, for instance) is the best? Are there any side effects? What are the best brands of this supplement in terms of quality, safety, and how well they work? Can I take it along with my other medications? Should I avoid any foods?
Knowledge Check Among the following vitamins the one whose deficiency causes rickets (bone deficiency) is AVitamin A BVitamin B CVitamin D DVitamin CSubmit Among the following vitamins the one whose deficiency causes rickets (bone deficiency) is AVitamin A BVitamin B CVitamin D DVitamin CSubm...