Human biomarkers for measuring niacin intake and status
Niacin can be assessed by different methods, as shown in Table 1.
Table 1. Assessment methods for niacin (1)
| Analysis type
|Reliable and sensitive
|Insensitive to marginal niacin intake
|Rapid sample preparation
|Only selected plasma metabolites are good indicators
|Sensitive to niacin depletion
RBC: red blood cells
Quality control and technical assistance
Laboratory accreditation and validation
LabCorp (headquartered in Burlington, North Caroline, USA) is a leading global life science company. Licensure/accreditation documentation may be requested by sending an email to: NOQ@Labcorp.com
This is a paid service, with a wide number of options, e.g. vitamin B3, serum or plasma
ARUP Laboratories: A National Reference Laboratory is a US national clinical and anatomic pathology reference laboratory and a worldwide leader in innovative laboratory research and development. A non-profit enterprise of the University of Utah, ARUP offers an extensive menu of highly complex and unique medical tests.
For accreditation documentation see this page.
E.g. Vitamin B3, plasma
For other laboratory accreditation and validation schemes, see the OpeN-Global laboratory accreditation page.
For questions on riboflavin methods or for technical assistance, please email@example.com or write to:
Dr Daniela Hampel, PhD
USDA/ARS Western Human Nutrition Research Center
Department of Nutrition, University of California Davis
Email: firstname.lastname@example.org or email@example.com