Collaboration Details

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Title of Collaborative Activity:

Vitamin D Standardization Program (VDSP)

Description of Collaborative Activity:

The NIH Office of Dietary Supplements (ODS) collaborates with CDC and others on the VDSP, which is an international collaborative effort to standardize the laboratory measurement of vitamin D status. The goal of the program is to improve the detection, evaluation, and treatment of vitamin D deficiency and insufficiency by promoting the standardized laboratory measurement of serum total 25-hydroxyvitamin D [25(OH)D]. VDSP promotes the standardized laboratory measurement of total 25(OH)D (a measure of vitamin D status) to improve clinical and public health practice worldwide.

Type of Collaborative Activity:

Research Initiative

Year the Collaborative Activity Originated:


NIH Participating Institutes/Centers/Office of the Director:


HHS Agency Collaborators on this Activity: