NIST Round Robin Program for Nutritional Supplements

May 1

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5/1/2014 12:00 AM  RssIcon

Weck Laboratories is a regular participant of the NIST Dietary Supplement Laboratory Quality Assurance Program (DSQAP). The program was established in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements (ODS) in 2007 to enable members of the dietary supplements community to improve the accuracy of measurements for demonstration of compliance with various regulations including the dietary supplement current good manufacturing practices (cGMPs). The results of the last exercise (Exercise J) have been compiled in which we have participated and obtained very good results in the analysis of nutritional (Ca, Mg, and Zn) and contaminants (arsenic) in foods and/or botanical dietary supplement ingredients and finished products.

PDFNutritional Elements Certificate J007 PDFAs Certificate J007

Participant laboratories in this program have the opportunity of testing in-house methods on a wide variety of challenging, real-world matrices to demonstrate that their performance is comparable to that of the community and that their methods provide accurate results. In an area where there are few standard methods, the DSQAP offers a unique tool for assessment of the quality of measurements, provides feedback about performance, and can assist participants in improving laboratory operations. Fifty-eight laboratories participated in Exercise J with results returned to NIST by September 2013. Weck Laboratories will continue to participate in this program as it has done since 2008, as a tool to improve the accuracy of the measurements required for compliance with regulations. The program involves measurements of active or marker compounds, nutritional elements, contaminants (toxic elements, pesticides, mycotoxins), and fat- and water-soluble vitamins in foods as well as botanical dietary supplement ingredients and finished products. For more information about the program or past results please contact Alfredo Pierri.

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