Karen E. Todd, MD, CSCS, EP-C, CISSN, is a registered dietitian and strength and conditioning expert dedicated to evidence-based education on lifelong health, sports nutrition, and healthy aging.
With over 30 years of experience in nutrition education, nutritional supplements, functional foods, and athletic performance, she specializes in nutrition and athletic performance communications, providing expert insight to both media and consumers. She has worked as a nutrition communicator, speaker, spokesperson, and brand consultant, and currently works in the innovation and development of nutritional supplement ingredients, focusing on how nutrients and ingredients support lifelong health, performance, and wellness.
Karen also runs TheSupplementDietitian.com, a free online resource dedicated to helping consumers navigate the world of dietary supplements. This site provides science-based education on how supplements are regulated, how to identify safe and effective products, and how to fill nutritional gaps when diet alone is not enough.
Her experience spans clinical nutrition, athletic performance, and product development, giving her a broad perspective on the scientific, practical, and regulatory considerations that shape the supplement and functional food industry. Karen contributes as a guest blogger. psychology today “Feed Your Brain” column, Scientific Advisory Board Member agrifood industry high techand is a board member of the Council for Responsible Nutrition, the leading professional organization in the field of dietary supplements.
She is widely known for her ability to translate complex research into clear evidence-based insights to help students, healthcare professionals, and consumers make informed decisions about nutrition and supplements.