Vitamin D deficiency is defined as a 25(OH)D below 20 ng/ml (50 nmol/liter). Vitamin D insufficiency as a 25(OH)D of 21–29 ng/ml (52.5 – 72.5 nmol/liter). Following these definitions, it has been estimated that 20 –100% of U.S., Canadian, and European older adults and wom...
Adults can get treatment online, if a vitamin D insufficiency or deficiency is confirmed by a blood test. How to get treatment online Fill out a short online assessment about your health Place a request for your preferred treatment A ZAVA doctor will check your assessment to see if it is ri...
Therefore, there has been an increased interest in optimizing supplementation strategies, especially in populations at risk of vitamin D insufficiency, such as the elderly; obese individuals; and people with certain chronic diseases, such as Crohn’s or chronic kidney disease [21,22]. Usually, ...
vitamin D; 25-hydroxyvitamin D; dyslipidemia; metabolomics; lipidomics1. Introduction Vitamin D deficiency (serum 25 dihydroxy vitamin D (25(OH)D) concentrations <12 ng/mL) is a worldwide health problem affecting approximately 1 billion individuals globally, with vitamin D insufficiency (<20 ng/...