Most Americans Seem to Have Healthy Levels of Vitamin D

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Sarah of NY 3:12AM April 06, 2011

"By age, the risk for deficiency ranged from 1 percent to 8 percent among males and from 1 percent to 12 percent among females. For both sexes, the risk was lowest among children aged 1 to 8 and increased significantly until age 30 in men and age 18 in women. After that, the risk changed little as people aged, the study found."

Frisko of WA 11:09AM April 01, 2011

From Grassroots Health Initiative, one of the world's foremost organization of confirmed vitamin D experts:
The statement by the IOM that skeletal health can be maintained at serum 25(OH)D levels of 20 ng/ml is incorrect. 30 ng/ml should be looked at as the lower end of the acceptable range for bone health. There have been randomized controlled trials showing major reductions in fractures by getting the serum level to 29 ng/ml. Fracture reduction does not reliably occur at levels less than 30 ng/ml and in some cases as high as 40 ng/ml. Osteoid seam width, a measure of vitamin D deficiency, only reaches normal values when the level is above 30 ng/ml. There is significant evidence above the IOM panel’s “adequate” level of 20 ng/ml.
Robert P. Heaney, M.D.
Creighton University Medical Center, Suite 4841
Omaha, NE 68131
Tel: (402) 280 4029
Fax: (402) 280 4751
p.s.
Suggesting vitamin D is only for bone health is to suggest water's primary function in the universe is to make concrete.
If you think only 20 ng/ml, 25 OH D is sufficient for life we will try a little experimentation:
I'll maintain my vitamin D health, per the recs of the EXPERTS, and the doubters can abide by the IOM, a group with marginal (at best) vitamin D credentials.
The results of the experiment will be based on who gets sick and dies first.

CLS88 of MD 7:11PM March 30, 2011

Kaiser HMO references a "normal" range for Vitamin D levels of 75 to 250 nmol/L (or 30-100 ng/ml), compared to the National Institute of Health 50 to 125 nmol/L (or 20-50 ng/ml). The National Institute of Medicine fails to recognize the health-giving effects of higher Vitamin D3 levels. It does not acknowledge the many journal studies that prove Vitamin D3 has a favorable impact on autoimmune diseases like high blood pressure, diabetes II, rheumatoid arthritis, multiple sclerosis, and, on cancers, in particular breast and colon cancer. Reinhold Vieth has demonstrated that the body does not begin storing Vitamin D until the daily dose is between 3,000 to 5,000 iu depending on body size. This daily dosage - from sun, food or supplements - will establish levels around 50 ng/ml. The easiest way to establish this daily dose is supplements. 5,000 iu Vitamin D3 pills are available from Walmart and many other sources. It is important to maintain good daily levels of calcium (1000 mg), magnesium (500 mg) and zinc (15 mg). A very healthy diet provides these levels, but you can also supplement. These three minerals come in one formula (calcium magnesium zinc), from Walmart and other stores. Readers of this article should read more about Vitamin D3 at other sites. One good site is VitaminDCouncil.org. The best practice is to take at least 4,000 iu of Vitamin D3 daily (considered safe by the National Institute of Health) and then after three months take a 25(OH)D Vitamin D blood test. This will allow you to establish a benchmark. Optimal levels are considered by Vieth to be 50 ng/ml. You can adjust your daily dose upward or downward from 4,000 iu based on the results of that test. R. Vieth believes 10,000 iu to be a safe high dose for Vitamin D. I have been taking 10,000 iu for over a year and have been tested twice during this period. My scores were 89 ng/ml (223 nmol/L) and 96 ng/ml (240 nmol/L), high in Kaiser's normal range. That's right where I want them.

Milton Hare of CA 4:01PM March 30, 2011