Roger A. Clemens

Expert in pediatric nutrition, probiotics, food safety and toxicology, and food processing

Adjunct professor of pharmaceutical sciences

Associate director, regulatory science program

USC School of Pharmacy


  • nutrition, including for children
  • food technology
  • Food and Drug Administration (FDA)
  • regulatory science
  • processed foods
  • health food and drink
  • fermented foods and beverages
  • food safety
  • food poisoning
  • functional foods and vitamin supplements
  • food labels
  • public health communication
  • diet and disease
  • food fads
  • probiotics, prebiotics and antioxidants
  • pharmacology
  • eating habits through time

Additional Information

  • Member, Board of Directors, Institute of Food Technologists
  • Member, ADA Commission on Dietetic Registration
  • Member, 2010 USA Dietary Guidelines Advisory Committee
  • Former spokesperson, American Society for Nutrition
  • Interviewed by the news media over 500 times

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