■ Level of UV radiation: The amount of sun received at any location is dependent on the angle at which it strikes Earth. How much is produced depends on a range of factors, including: So how much sun exposure is “enough" to get an optimal dose of vitamin D but not so much that it can lead to cancer?įor starters, you need to know that the sun does not create vitamin D in your body rather, UV radiation converts the vitamin D in your skin to its usable form. While the sun is the best natural source of vitamin D, exposure to UV radiation is also one of the major causes of skin cancer. When it comes to sun exposure, things get tricky. While eating the right foods can be helpful, it won’t necessarily give you the right amount of vitamin D that your body needs-there isn’t enough present in food to replenish deficiencies. The two main ways to ensure you are getting adequate amounts of vitamin D are by exposing your bare skin to sunlight and by taking vitamin D supplements.
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