A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in your blood. It can indicate whether the ...

Vitamins play crucial roles in maintaining optimal health and functionality within the body. These micronutrients serve as essential cofactors for enzymatic reactions, aiding in metabolism, energy ...

and the sun), which makes this test extremely important in the field of nutrition. Low concentrations of 25-OH vitamin D causes secondary hyperparathyroidism (high levels of parathyroid hormone or ...

There is a plethora of logical reasons for advocating the use of ... Vitamin D3 is more effective at raising and maintaining the vitamin D blood test (again, D2 binds less tightly to the vitamin ...

Scientists are looking for volunteers to take part in a trial to see if taking vitamin D can give the immune system ... for six months if a finger-prick test shows they are deficient in the ...