According to Dr. Sangwan, the best way to determine whether or not you have a vitamin D deficiency is to visit your primary care doctor and ask for a test called the 25-hydroxy vitamin D test. This ...
Both low and high levels of maternal 25-hydroxy [25(OH)] vitamin D ... pregnancies and supplementing patients with vitamin D insufficiency or deficiency, aiming for 25(OH) vitamin D range of ...
A total of 688 participants aged 70 years or older with low serum 25-hydroxy ... with low serum vitamin D levels. “We can speculate that the systemic effects of vitamin D deficiency are more ...