Volume 1, Issue 13
December 4, 2008

The one supplement you must take for the next four months

It's that time of year when the flu and colds hit. It's also the time of year when your body becomes deficient in a very common nutrient. And it's vital you take this nutrient to help ward off the flu and colds. But it's also important to take it for cancer prevention.

Why are you deficient in this nutrient right now? Because it's cold and you probably don't spend much time outdoors in the sun. Your body needs exposure to sunlight, as you probably already know, to produce vitamin D. And if you don't get enough exposure to sunlight, you'll have less vitamin D in your system. It's that simple.

Researchers recently presented a revealing vitamin D study at the Annual Meeting of the American Association for Cancer Research. The first comes from the University of California, San Diego. In this study, researchers tested blood samples in more than 1,750 women. They found that blood levels of 52 ng/mL of vitamin D can reduce your risk of breast cancer by 50%. Lower levels, even those with the normal range, greatly increases your risk. The UCSD team noted that in order to reach 52 ng/mL, you have to take about 1,000 IU daily of vitamin D. It's difficult to reach this level without daily sun exposure.

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In another study, researchers at Harvard Medical School found that vitamin D has potent anticancer properties. They said this is especially true for digestive-system cancers. They examined data collected for more than 47,000 men. They assessed the amount of vitamin D in these men by examining data on diet and supplements, outdoor physical activity, geographic residence, and skin pigmentation.

They found that as little as a 25 nmol/L increase in vitamin D levels resulted in a 17% reduction in total cancer incidence. It also reduced total cancer mortality by 29%. Vitamin D was even more impressive when they looked at just digestive cancers. In that case, there was a 45% reduction in digestive-system cancer mortality.

Note that the vitamin D supplementation necessary to achieve a 25 nmol/L increase in vitamin D levels may be at least 1,500 IU per day. Not very many people are able to reach that level. I recommend that all my patients over 60 take 5,000 IU of vitamin D per day. And I tell those under 60 to take 1,000 IU between Thanksgiving day and tax day (April 15). You can order vitamin D from Advanced Bionutritionals by calling 800-728-2288.

In addition, I ask that they get at least 15 minutes of direct sunlight exposure during the other months. Don't forget that sun exposure to the face results in increased incidence of wrinkles and aging pigments. So be sure to get the exposure on your body, not your face.

Finding your Real Cures,

Frank Shallenberger, MD


Stephen Daniels, Vitamin D linked to lower breast cancer risk,

Giovannucci E, Liu Y, Rimm EB, Hollis BW, Fuchs CS, Stampfer MJ, Willett WC., Prospective Study of Predictors of Vitamin D Status and Cancer Incidence and Mortality in Men, Journal of the National Cancer Institute, Vol. 98, No. 7, 4/5/06.

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