Download does the sun give you vitamin d11/17/2023 ![]() Vitamin D supplements are available, and the National Institutes of Health recommends a volume of 600 IU daily. More advanced symptoms can include depression, hair loss and slow-healing wounds. She says common signs of vitamin D deficiency include muscle weakness and bone pain. Certain fish (salmon, herring, tuna, mackerel, sardines). ![]() ![]() “We can go stand on top of Mount Rainier and get sunburned right now, and we still wouldn't be able to produce vitamin D.”Ĭhojnacki says it’s difficult to get adequate vitamin D from our diets, but a few foods can help counterbalance the wintertime deficit: “A billion people worldwide are vitamin D deficient, including 40% of American adults,” said Chojnacki. But during winter, the sun’s rays are too weak to trigger this process above the 37th parallel north (all of Washington state, and places including San Francisco, Denver, and St. This process is how people mostly generate their supply of the vitamin, which helps to strengthen bones. UW Medicine diet and nutrition specialist Morgan Chojnacki explains that the sun’s ultraviolet rays interact with our skin to create vitamin D. But during winter, while the sun is feeble, our vitamin D production naturally dips, too. 21, and Pacific Northwest residents look eagerly toward increasing minutes of daylight starting tomorrow. The Northern Hemisphere experiences winter solstice today, Dec. ![]()
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