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Is the vitamin D that our skin makes when exposed to the sun’s rays natural or synthetic?
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Is the vitamin D that our skin makes when exposed to the sun’s rays natural or synthetic?

User Sellibitze
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When your skin is exposed to sunlight, it makes vitamin D from cholesterol. The sun's ultraviolet B (UVB) rays hit cholesterol in the skin cells, providing the energy for vitamin D synthesis to occur. Vitamin D has many roles in the body and is essential for optimal health (2)
User Moeed
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