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Vitamin D: Why It's Important in Your Skin Care Business

By: Celeste Hilling
Posted: February 28, 2013, from the March 2013 issue of Skin Inc. magazine.
Mushrooms are an excellent source of vitamin D.

Mushrooms are an excellent source of vitamin D.

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Vitamin D is only manufactured in one place—the skin. As people age, the skin’s ability to produce vitamin D declines. Vitamin D deficiency has been linked to chronic skin conditions, such as rosacea, eczema and psoriasis.5 Heavy wrinkling on the face and body results as people lose bone density due to lack of vitamin D.5

Just as vitamin C is now embraced as playing a critical role in immune defense both topically and internally, vitamin D sufficiency is proving to be even more critical to helping the body stave off disease and prevent some forms of depression, seasonal affective disorder, premenstrual syndrome and sleeping disorders.6

Contrary to what many believe, very few foods naturally contain vitamin D. Fortified foods provide most of the vitamin D in American diets.

Fatty fish such as salmon, tuna and mackerel are among the best sources, and beef liver, cheese and egg yolks provide small amounts.

Mushrooms provide vitamin D. In some mushrooms that are available in stores, the vitamin D content is being boosted by exposing these mushrooms to UV light, making for a viable option for vegans and raw-diet followers.