Winter Sunshine and Vitamin D Synthesis

Jory Basso • February 6, 2025

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Many people think you can get Vitamin D synthesis from the sun in the winter. It really depends on where you live. If you live in the Northern Hemisphere like I do in Toronto, Canada, the upper US, Europe, Asia, Siberia, you can’t get vitamin D synthesis from the sun during the winter months. Find out why not.

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