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February 8, 2012
Daily Source of Vitamin B12
Fortified foods such as some breakfast cereals and types of nutritional yeast can provide another cholesterol-free source of vitamin B12.
February 7, 2012
Cheapest Source of Vitamin B12
Vitamin B12 (cobalamin) supplementation can cost as little as $2 a year.
February 6, 2012
Safest Source of B12
Since foods are effectively a package deal, what is the best way to get vitamin B12 (cobalamin)?
February 3, 2012
Vitamin B12 Recommendation Change
Based on two biomarkers of functional vitamin B12 (cobalamin) status, B12 recommendations formulated more than a half century ago may need to be updated.
December 14, 2011
Resolving the Vitamin D-Bate
Why the current vitamin D recommendations may be too low, other expert recommendations may be too high, and 2000 international units a day may be just right.
December 13, 2011
How the Institute of Medicine Arrived at Their Vitamin D Recommendation
The latest revision of the official vitamin D recommendations were based on the body's reaction to protect bone health, but what about the other three dozen affected organs?
December 12, 2011
The Difficulty of Arriving at a Vitamin D Recommendation
People respond differently to the same level of vitamin D supplementation, making it difficult to formulate one-size-fits-all guidelines.
December 9, 2011
Vitamin D Supplements May Be Necessary
To reach the circulating (25-hydroxy) vitamin D levels associated with the lowest overall mortality, one may need to take supplements, given data suggesting suboptimal production from sun even under...
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