All Videos for Vitamin D Supplements

Take Vitamin D Supplements with Meals

Taking vitamin D supplements with food may be a cost-effective strategy to achieve optimum levels.



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.



How the Institute of Medicine Arrived at their Vitamin D Recommendation

The latest revision of the official vitamin D recommendations was based on the body’s reaction to protect bone health—but what about the other three dozen affected organs?



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.



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 optimal circumstances.



Vitamin D and Mortality May Be a U-Shaped Curve

Vitamin D deficiency may shorten one’s lifespan, but getting too much vitamin D may also adversely affect longevity.



Is Vitamin D the New Vitamin E?

The Institute of Medicine’s conservative position on vitamin D is understandable, given the history of hyped vitamin supplements (vitamin A, beta carotene, folic acid, vitamin C, vitamin E) that turned out worthless—or worse.



Evolutionary Argument for Optimal Vitamin D Level

Should the vitamin D levels found in lifeguards be considered the norm for our species, given the fact that we evolved running around naked all day in equatorial Africa?



Vitamin D Recommendations Changed

The Institute of Medicine tripled their official vitamin D recommendation, based on target blood levels that indicate a large percentage of the U.S. population is deficient.