Sun-starved Alaskans may benefit from Vitamin D supplement – Alaska Dispatch News

Quick refresher: Vitamin D, or the “sunshine vitamin,” is most readily absorbed from direct sunlight. Fifteen minutes per week of quality sunlight on arms and legs is enough to provide adequate Vitamin D. However, according to Harvard Women’s Health Watch even people living in latitudes above 37 degrees north (think Northern California, Colorado, and yes, Massachusetts) do not receive quality enough sunshine in winter to provide adequate Vitamin D, since the ultraviolet (UV) index produced by the sun is lower than 3. Anchorage is situated at 61 degrees north, so let’s do the math. Even in summer, our sunlight is not strong enough to make up for the winter deficit. Even Alaskans who spend a substantial amount of time outside for work or play┬ácome up short.

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