The only way to be certain that you do not have a Vitamin D deficiency is to test for 25-hydroxy Vitamin D level. This is a blood test. The test...
You need Vitamin D in order to absorb Calcium from your diet. Without enough vitamin D your body will steal Calcium from your bones, not add Calcium to your bones. ...
Older children, teenagers, and adults need much more than the 400 IU of Vitamin D that is “100%” listed on a multiple vitamin bottle. Panel members at the 2010 National...
In 2010 the “Optimal” level most often quoted at National Osteoporosis Foundation and at American Society for Bone Mineral Research was 32 to 100ng/ml. This is markedly different from the...
Vitamin D has been called the Sunshine Vitamin. Most people can make some vitamin D if they get enough mid-day sunshine, but there are problems. The atmosphere blocks the UV...
Vitamin D is much more important than we thought even 3 years ago. We now know that our Daily Vitamin D Needs are much higher than official government Minimum Daily...