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The exact timing depends on the patients needs, like how severe the deficiency is and how well they absorb the vitamin
Sunlight interacts with a protein in our skin called 7-DHC, and the result is active vitamin D3, the most common winter vitamin deficiency
Reconstitution: 3.0 mL per 5 mg vial (~1.667 mg/mL) for accurate unit measurements
Foster MT, Shi H, Softic S, Kohli R, Seeley RJ, Woods SC
Frontiers in Pharmacology
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