Why we don't get enough vitamin D from sun.wmv

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Uploaded by on Mar 1, 2010

Leading Endocrinologist and author of "Power of Vitamin D," Dr. Zaidi explains why the reports that 15 minutes of sun exposure a day is enough to get a good level of Vitamin D is wrong. He elaborates on various factors that determine synthesis of vitamin D in the skin. Dr. Zaidi clarifies why most of us don't get enough vitamin D from sun.

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  • Urban Tropospheric Ozone Increases the Prevalence of Vitamin D Deficiency

    Vitamin D derived from cholesterol in skin. Lowering total cholesterol lowers vitamin D synthesis potential.

    Grassrootshealth do postal 25(OH)D tests.

    Short near full body sun exposures best.

    1000iu/daily/D3 per 25lbs weight usual but check at 3mths and raise intake by 1000iu/d for each 10ng/ml needed to get to 60ng/ml.

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