Unsolicited AdviceAlthough I feel the recent publicity surrounding the new Vitamin D guidelines for infants, children, and adolescents was more than sufficient, I'd like to reiterate these recommendations as I've not heard enough related chatter around here nor from my own patients since they were made known just 2 weeks ago. And for those of you unaware about the recent Vitamin D recommendations, the crux of these guidelines includes a doubling of the daily Vitamin D intake from 200 International Units (IU) to 400 IU in the childhood population beginning in the first few days of life.
But what is Vitamin D? Vitamin D is a fat-soluble vitamin which helps to normalize blood levels of calcium and phosphorus, which ultimately helps to form and maintain our bones and prevent the onset of rickets (which is the softening and weakening of the bones of children potentially leading to skeletal deformities). And just as exciting, newer research has found it also may play a role in the prevention of osteoporosis, autoimmune disorders, high blood pressure and even cancer (stay tuned for more research to substantiate these claims).
What are some Vitamin D food sources? Just as you might think...fortified milk, eggs and fish. But don't forget your cod liver oil if you dare to try. And although not a food source, sunlight also helps produce Vitamin D...the only problem being too much sunlight has obvious negative consequences for our skin.
What about breastfed babies? Believe it or not, breast milk is somewhat deficient in Vitamin D and since there are no further guidelines recommending direct sunlight, breastfeed babies definitely require Vitamin D supplementation. Formula fed babies, however, find enough Vitamin D in their formula.
Why is this so important in our adolescent population? As studies have shown, a significant percentage of our adolescents are not getting enough Vitamin D. And with research showing that adult bone strength and hardness being related to both Vitamin D and calcium intake during the adolescent growth spurt, it becomes apparent how significant Vitamin D is in this age population.
So Why 400 IU? A great question as there may be some debate on whether the same recommendation should stand for newborns and adolescents 18 years of age. But what research has shown is 400 IU is a safe dose in the pediatrician population and this dose can also prevent and treat rickets.
Can Vitamin D overdosing occur? As it's not a water-soluble vitamin where the excess can be peed away, it is possible but the doses of Vitamin D needed greatly exceed the 400 IU recommendation. What one would see is an elevated calcium level in the blood (hypercalcemia) with a wide range of effects on the body including our cardiovascular system (hypertension), gastrointestinal system (nausea, vomiting), and our kidneys.
When will I implement these new guidelines? I already have.
Dr. Jeremy
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One newsletter I get is from the Vitamin D Council -- Dr. John Cannell. Lots of great articles and info.
Again thanks for the info.
PS not only is D good at reducing heart disease, cancer but also autoimmune diseases ie MS.
Multiple studies, including NIH government studies, show that low vitamin D puts you at a greater risk for MS.
http://www.ncbi.nlm.nih.gov/pubmed...
http://www.ncbi.nlm.nih.gov/pubmed...
Thanks
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