Vitamin D is essential for strong bones and a healthy immune system. While a limited amount of vitamin D can be obtained from exposure to the sun’s ultraviolet (UV) radiation, the health risks of UV exposure — including skin cancer — are great. Instead, The Skin Cancer Foundation suggests you get our recommended daily 1,000 IU (international units) of vitamin D a day from food sources like oily fish, fortified dairy products and cereals, and supplements. Read on to learn more about the best way to get your vitamin D.
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Make Vitamin D, Not UV, a Priority |
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Sometimes the cure can be worse than the condition. For thousands of vitamin D-deficient people in the U.S., can obtaining this so-called "sunshine vitamin" actually endanger health?
Vitamin D has been a mainstay in the news recently, with stories claiming it protects against everything from high blood pressure to cancer. Though its ability to prevent these conditions remains unproven, vitamin D is essential for bone health, immune system functioning, and more.
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Oily Fish: Your Route to Vitamin D |
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Because vitamin D is vital to good health, many foods have been enriched with the vitamin. However, it is naturally present in very few foods, and vitamin D supplements may be necessary to ensure adequate intake. But an excellent natural source of vitamin D does exist: oily fish.
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After more than 100 years of debate, this supposed "dilemma" still exists: How do you achieve favorable vitamin D levels yet also practice skin cancer prevention?2 , 3 This same UV radiation is also responsible for cutaneous production of pre-vitamin D3. These effects of UV radiation are inseparable, giving rise to the question, "Can appropriate vitamin D levels be maintained without risking sun damage?"4-6 On closer look, this misunderstood situation is not as tricky as it seems.
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 Vitamin D is important for immune system health, and we get it from the sun. That's why some scientists argue that protecting yourself from UV rays is detrimental to your health. Most dermatologists, however, disagree. We take a look at both sides.
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The Skin Cancer Foundation Recommends Increased Vitamin D Intake |
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 The Skin Cancer Foundation’s Photobiology Committee, a group of physician experts on sun protection, now recommends that adults who have limited sun exposure or practice sun protection increase their intake of vitamin D to 1,000 International Units (IUs) daily, which is significantly more than the current Adequate Intake (AI) guidelines established by the Institute of Medicine’s Food and Nutrition Board.
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