NSF's long history of developing and running third-party certification programs, along with our state-of-the-art analytical laboratories and highly skilled staff of chemists and microbiologists, means we have the knowledge and expertise to evaluate the composition of dietary supplements, including:

  • Vitamins
  • Minerals
  • Herbs/botanicals
  • Amino Acids
  • Sports supplements
  • Concentrates, metabolites, constituents and extracts

Testing and certifying your products with NSF allows you to:

  • Verify the identity and quantity of dietary ingredients declared on product label
  • Ensure the product does not contain undeclared ingredients or unacceptable levels of contaminants
  • Demonstrate conformance to currently recommended industry GMPs for dietary supplements
Dietary Supplements Testing Services

We can test products for the presence of the following materials in our ISO/IEC 17025-accredited laboratories:

  • Metal – As, Cd, Cr6+, Pb, Hg
  • Microbiological contaminants and toxin – APC, Y&M, Enterobacteriaceae, Salmonella, E. coli, S. aureus, aflatoxin
  • Natural toxins - aristolochic acid
  • Industrial contaminants – PCBs, PCDDs, PCDFs
  • Other product claims

We use the following reference standards:

  • AHP - American Herbal Pharmacopoeia
  • AHPA - American Herbal Products Association
  • AOAC International
  • BHP - British Herbal Medicine Association
  • INA - Institute for Nutraceutical Advancement
  • USEPA - U.S. Environmental Protection Agency 
  • USFDA – U.S. Food and Drug Administration
  • USP - United States Pharmacopeia
  • WHO – World Health Organization

We test products to recognized standards for product and formulation review.