25-OH vitamin D test; Calcidiol 25-hydroxycholecalciferol test
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
For years, vitamin D was the Rodney Dangerfield of the nutrition world: It got no respect. Vitamin D was viewed as a nutrient necessary... Read more »
The excitement over the health benefits of vitamin D have, not unexpectedly, generated lots and lots of questions about how, why, and when... Read more »
You know that commercial on TV where Sally Field plays happily with her dog or her grandkids and she talks about bone health? She's... Read more »
Question: I am a 54-year-old women who is concerned with taking the right type of vitamins. What vitamins should I be taking and how much... Read more »
Reader Question: I have osteoporosis. I am taking Actonel, Calcium and Vitamin D. I recently read that taking Vitamin C can help improve... Read more »