Jan 28

We all hear about Calcium and Vitamin D deficiencies and the need for supplements. But how widespread is this really? You may be surprised.

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written by Dr Jim \\ tags: , ,


4 Responses to “Calcium/Vitamin D Deficiency”

  1. 1. enliteneer Says:

    I don’t know too many people that work outdoors to get ~15 minutes of direct sunlight… I’d say I have an above average diet/exercise lifestyle, yet when I had my Vitamin D3- 25-OH tested ($50 at Canary Club) it was 19ng/ml! Scary, since I was hoping for 50ng/ml. Anyways, so unless your Houdini, not sure how anyone can assume they’re OK without a blood test.
    http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html

    Bottom line is, with so much positive research*, that at the very least shows correlation, 6 cents a day for supplementing seems like pretty cheap insurance to me…

    the only real question in how much of this horomone is too much. Research on upper toxicity levels is pretty scarce, but according to this,

    http://www.ajcn.org/content/69/5/842.full
    http://www.youtube.com/watch?v=Cq1t9WqOD-0#t=38m1s
    http://www.ncbi.nlm.nih.gov/pubmed/17145139

    it may be as high as, 300ng/ml.. and even with <=10,000 IU a day, your kidneys do a good job of regulating.

  2. 2. enliteneer Says:

    *
    Psoriasis
    http://archderm.ama-assn.org/cgi/content/short/146/8/836

    Mold Allergies:
    http://ajrccm.atsjournals.org/cgi/content/citation/181/1_MeetingAbstracts/A4029

    Pancreatic Cancer:
    http://www.foodconsumer.org/newsite/Nutrition/Vitamins/180720091009_vitamin_d_fights_pancreatic_cancer.html
    http://www.ncbi.nlm.nih.gov/pubmed/20354914

    Diabetes
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778451/?tool=pubmed

    Parkinson’s
    http://www.scientificamerican.com/blog/post.cfm?id=vitamin-d-deficiency-linked-to-park-2010-07-12

    Colon Cancer:
    http://cordis.europa.eu/fetch?CALLER=EN_NEWS&ACTION=D&SESSION=&RCN=30998

    Alzheimer’s :
    http://www.sciencedaily.com/releases/2009/07/090715131558.htm
    http://www.technologyreview.com/blog/editors/23879/

    Depression
    http://www.nutraingredients.com/Research/Not-enough-vitamin-D-may-boost-depression-risk

    Autism / Aging
    http://perfecthealthdiet.com/?p=448

    Immune System:
    http://www.scientificamerican.com/blog/post.cfm?id=another-reason-vitamin-d-is-importa-2010-03-07

    Breast Cancer:
    http://breast-cancer-research.com/content/11/4/R64
    http://www.ncbi.nlm.nih.gov/pubmed/20456946

    DNA
    http://www.ncbi.nlm.nih.gov/pubmed/20541252
    http://www.sciencedaily.com/releases/2010/08/100823172327.htm
    http://genome.cshlp.org/content/early/2010/08/20/gr.107920.110.abstract?sid=ca3f0c87-c1a3-43dd-a798-b6802a96a465

    In Utero:
    http://www.nutraingredients.com/Research/Vitamin-D-needed-for-both-mother-and-baby-Study

    Prostate Cancer:
    http://news.bbc.co.uk/2/hi/health/8017323.stm

  3. 3. enliteneer Says:

    * (continued)

    Heart Disease:
    http://www.sciencenews.org/view/generic/id/46715/title/Vitamin_D_may_be_heart_protective

    Influenza:
    http://www.medicalnewstoday.com/articles/51913.php
    http://www.thatsfit.ca/2009/11/03/vitamin-d-to-fight-the-flu/

    Urinary:
    http://www.nutraingredients.com/Research/Vitamin-D-may-boost-urinary-tract-health-Study?utm_source=RSS_text_news

    Brain Function:
    http://www.scientificamerican.com/article.cfm?id=does-d-make-a-difference
    http://www.self.com/fooddiet/blogs/nutritiondata/2010/07/your-brain-on-vitamin-d.html
    http://www.nutraingredients.com/Research/Vitamins-D-E-show-brain-benefits
    http://archinte.ama-assn.org/cgi/content/abstract/170/13/1135

    Athletic:
    http://well.blogs.nytimes.com/2009/09/23/phys-ed-can-vitamin-d-improve-your-athletic-performance/
    http://www.nutraingredients.com/Research/Vitamin-D-may-boost-physical-function-for-seniors-Study

  4. 4. Dr Jim Says:

    All very true. Enliteneer makes a great point… the only way you will know if you are deficient is to be tested. And at this time, I think it is reasonable to have your Vitamin D level checked at least once. I have not seen any studies that would show a benefit of mass screening, but it sure makes sense on an individual level to check it.

    By the way, that is 15 minute per week of sun on just your hands. So, we are talking a VERY low bar for sun exposure, no need to work outdoors. People in northern latitudes, however, still won’t get enough.

    The point of this post is that there should not be the mass hysteria that the media would lead you to believe is true. Most people are just fine with absolutely no additional supplementation. But Enliteneer is correct, supplementation is cheap. Don’t waste money on expensive versions of the same chemical.

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