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If you live above 37 degrees latitude in the United States, you are unlikely to get enough vitamin D from sunlight during the winter
115 ShankarH.KahnerB.KunapuliS
Statements Data availability statement The original contributions presented in the study are included in the article/ Supplementary Material
When a supplement isn't absorbed properly, it can lead to two problems: you don't get the benefits you paid for, and the "waste" can cause side effects like digestive upset or skin reactions
Gordon, D
It reduces the overgrowth of skin cells
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