Can vitamin D help prevent cancer?

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Alice Pereira, RD
Nutrition & Dietetics
The research regarding associations between breast cancer and vitamin D offer mixed results. Studies have shown that women with breast cancer appear to have insufficient levels of vitamin D, and other research links low levels of vitamin D with recurrence. However, there is no data yet that shows whether repleting vitamin D levels in women with breast cancer will change the prognosis. Further, vitamin D levels that are too high are also harmful.

The main function of vitamin D is to aid the body in absorbing calcium to help form and maintain strong bones. A baseline vitamin D level should be obtained at diagnosis and repleted to sufficient levels for your bone health.
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Vitamin D is great for your bones, but it’s also a potent factor in cancer prevention. If you live far enough south, you naturally gain vitamin D from controlled sun exposure. Too much sun, of course, can increase your risk of skin cancer, so a vitamin D supplement is a great way to protect yourself from cancer without risking overexposure to the sun.

Vitamin D works by putting a “force field” around your cells and DNA, protecting them against harmful free radicals and toxic stress that can lead to cancer. Additionally, it helps strengthen your immune cells, so that they can attack and remove cancer cells. Take 1,000 IU of vitamin D per day, seeking out vitamin D3, the vitamin’s most powerful and effective form.

This content originally appeared on doctoroz.com

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.