Friday 01 Mar 2013 11:49 AM | Depression, Fat-Soluble, Michael Holick, The Vitamin D Solution, Vitamin D
British Journal of Psychiatry in Feb. 2013, links low levels of vitamin D with depression. This study was a systematic review and meta-analysis of 14 clinical trials evaluating over 31,000 participants revealed an association between vitamin D levels and depression. Researchers found that low levels of vitamin D corresponded to depression, and that lower levels of vitamin D increased odds for depression.
According to Dr. Michael Holick who is one of the world's leading vitamin D experts, vitamin D is not only the most common nutritional deficiency in the world, but it’s also the most common medical condition, affecting at least one billion people. Three out of every four Americans are deficient in vitamin D, up from one out of two individuals twenty years ago.
I urge people to try and get at least 20 to 30 minutes of sunlight exposure daily. However, during much of the year (winter and northern latitudes) this is not sufficient. I routinely recommend that most adults take 5,000 IU of vitamin D daily and it is also important to have children taking vitamin D supplements. See my previous blog post on how to determine vitamin D dosages for kids.
Vitamin D is a fat-soluble vitamin and we do not absorb fat-soluble nutrients every efficiently. That's why I recommend that people take their vitamin D supplements at their largest meal of the day because there is a greater likelihood that there will be some fat in the meal which will enhance vitamin D absorption.
An excerpt from Dr. Michael Holick's book The Vitamin D Solution was published in the September 2010 issue of the Life Extension Magazine.