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Results from Vitamin D Testing Programs

See what can happen when vitamin D testing programs are implemented with the goal of getting everyone to the 40-60 ng/ml range… and help us all Move Research into Practice! In our last two...

Responses to Vitamin D ‘Hit’ Pieces

Help fight vitamin D misinformation and the harm that can result from articles such as the recent Forbes piece “No, You Still Don’t Need Vitamin D Supplements!” Several participants have emailed us since Forbes...

Sunshine Month Flash Sale! Get 20% off test kits and a free eBook! Use code SUNFLASH25. Offer ends Sunday, May 11th, 2025 at 11:59PM PST (Not valid on sale items or the T1D Prevention Test Kit)

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