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Vitamin D*calculator™

Use this tool to calculate the estimated additional Vitamin D intake needed to reach your target vitamin D serum level (40-60 ng/ml recommended by our scientist panel). Don’t know your current serum level? Order...

Vitamin D*calculator™

Use this tool to calculate the estimated additional Vitamin D intake needed to reach your target vitamin D serum level (40-60 ng/ml recommended by our scientist panel). Don’t know your current serum level? Order...

Get 10% off all orders this November with promo code DMONTH22 ! Get an additional $5 off when you complete our new Vitamin D Deficiency Risk Assessment Quiz

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