Vitamin D optimization to prevent illness in winter

By Greg Mauer

Vitamin D is constantly in the news and for good reason.    Optimal levels of Vitamin D have been linked to a host of benefits including prevention and treatment of many key diseases ranging from Osteoporosis to improved heart health with reduction in heart attack risk to prevention of many different types of cancer.  Optimal Vitamin D levels also help prevent acute illness’s like colds and flu!

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The ideal way to get optimal levels of Vitamin D is to let your body create it through Safe Sun Exposure (see previous blog on this subject here:  http://workoutanytime.blogspot.com/2016/08/the-facts-on-safe-sun-exposure-and.html  However this is easier said then done, and too much sun is clearly a strong risk factor for skin cancer!      Enter Vitamin D supplementation.

The amount and form of Vitamin D supplementation has changed substantially based on lots of emerging research.    The form that should be taken is Vitamin D-3 NOT D-2 form and all experts agree on this!     However when it comes to dosage things get much trickier.      The confusion comes because Vitamin D is really a powerful compound and functions as a hormone in the body.    As such it has profound impact on virtually every system in the body.    In addition it is possible, although very rare, to overdose on Vitamin D supplements so more is NOT always better!

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To insure you are taking the right dosage you need to test your levels of Vitamin D.    The test you want is called a 25(OH)D blood test and is offered by all major labs.   You can either ask your doctor to order this test for you OR you can order an in-home test.   You just prick your finger and put a drop of blood on the enclosed paper and send back in to the labs.    You can also order your own blood test online and go to a lab to have blood drawn in the same way your doctor orders the test.   For more information on testing go here:  https://www.vitamindcouncil.org/testkit/?gclid=Cj0KCQjwh_bLBRDeARIsAH4ZYEPhv0MVkO5_S7USZZ8bwVlt5A3vPWGbBFFIbJiB8Wtva0x-IDH7UmQaAlGkEALw_wcB#

Ideal versus Acceptable Blood Levels of Vitamin D

There is a big difference between what is considered “acceptable” or okay and ideal blood levels.    Almost all negative vitamin D studies contain a big flaw – they use a fixed dose for people in the study instead of testing and retesting to determine the optimal dosage to achieve ideal blood levels.  In virtually every case when dosage is optimized for the individual there are significant positive results in preventing acute illness, and improving function throughout the body.

Here are the classifications of different blood levels of Vitamin D. according to the Vitamin D Council:

0 – 30 ng/ML is very low and considered a deficiency

30 – 39 is better but still insufficient for optimal health and disease prevention.

40 – 100 ng/ML is optimal

Above 150 ng/ML is toxic!

The key is to test and if low take a supplement then retest 2 – 3 months after regular vitamin d use because each person is different in how much supplementation they need based on many factors including sun exposure and skin type.     The RDA for Vitamin D for infants is 400Iiu/10mcg.    For Children 1 – 13 and adults through age 70 the RDA is 600iu and for those over 70 the RDA is 800iu.

Unfortunately, this is way too low to get many people into the sufficient much less optimal range so  testing is really worthwhile.   In many cases people need 4,000 – 10,000 or more iu’s per day for at least a month to get where they need to be for optimal health!

Preventing Vitamin D Toxicity through the Co-Administration of Vitamin K-2

Like many vitamins Vitamin D has a co-factor or other vitamin that helps it perform its function better and in a more balanced fashion, and that other vitamin is Vitamin K-2 (not to be confused with K-1 found in many plants).    In an ideal world, you can get all the Vitamin K-1 you need from eating plenty of green, leafy vegetables, and your body can turn it into K-2.   Unfortunately, this conversion is lacking in many people.

More importantly K-2 is not easily toxic and can be taken with Vitamin D.    K-2 is best taken as a supplement as MK7 version which has been heavily researched and shown to improve bone health and prevent arterial calcification which can potentially occur with too much Vitamin D.     For a more complete understanding behind how K-2 works with Vitamin D and why it is a great idea to take the MK-7 form of K-2 with Vitamin D check out this article from Dr. Mercola:   http://articles.mercola.com/sites/articles/archive/2011/03/26/the-delicate-dance-between-vitamins-d-and-k.aspx

Taking 100 – 200 mcg per day of Vitamin K-2 will help optimize the effects of Vitamin D and minimize risks associated with Vitamin D Supplementation.

Greg Mauer’s blog post is used with permission from Workout Anytime.

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