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NASC (National Animal Supplement Council) a 3rd party organization setup to promote the health and wellbeing of companion animals and horses that are given animal health supplements by their owners, and to protect and enhance the animal health supplement industry.

Members of the NASC are concerned and committed manufacturers of animal health supplements from around the world. Together they endeavor to improve the quality and consistency of these products sold to consumers for the benefit of their dogs, cats, horses and other companion animals. NASC member companies collectively address issues and affect important change, which ultimately elevates the industry and results in better practices, procedures, and products.

NASC and its member companies work cooperatively with state, federal and international government officials to create a legislative and regulatory environment that provides a framework that is fair, reasonable, responsible, and nationally consistent. Such an environment of safety, accuracy and quality serves the interests of NASC members by ensuring ethical manufacturing and labeling practices are complied with throughout the industry.

Central to our efforts is the NASC Quality Program, which provides strict guidelines for product quality assurance in written, consistent raw material sourcing and manufacturing standards, adverse event reporting, and labeling and claims requirements that are within the guidelines provided by the regulatory agencies.

To earn permission to display the NASC Quality Seal on its products and marketing materials, an NASC member company must do the following:

  • Pass a comprehensive facility audit every two years
  • Maintain ongoing compliance with rigorous NASC quality standards
  • Participate in annual continuing education facilitated by NASC
  • Pass random independent testing of their products to ensure they are meeting label claims


Dr. Fossum’s Pet Care is NASC certified